Orange flowers appearing in a lawn can add a splash of color, but they often signal the presence of invasive or volunteer plants competing with turfgrass. Many of these plants spread quickly through seeds, underground roots, creeping stems, or rhizomes, allowing them to establish themselves in lawns, garden beds, and disturbed soils. While some orange-flowering plants such as butterfly weed or California poppy are beneficial for pollinators, others behave as aggressive weeds that can crowd out grass and reduce lawn quality.
Orange flower lawn weeds vary widely in their growth habits. Some species grow low to the ground and spread through creeping runners, while others grow tall or climb over nearby structures. Many thrive in conditions where turfgrass is weak, such as compacted soil, poor drainage, nutrient deficiencies, or areas with excessive shade. Recognizing the identifying characteristics of these weeds—including leaf shape, flower structure, and growth pattern—can help homeowners and gardeners correctly identify them and choose appropriate management strategies.
This guide covers Lawn Weeds With Orange Flowers, including broadleaf weeds, flowering perennials, creeping vines, and annual plants. Each weed profile explains how to recognize the plant, its typical growth pattern, and the lawn conditions where it commonly appears. Understanding these plants helps homeowners maintain healthy turfgrass while also learning which species may benefit pollinators or wildlife.
1. Butterfly Weed
Weed Name: Butterfly Weed
Scientific Name: Asclepias tuberosa
Growth Type: Perennial broadleaf weed
Butterfly weed is a bright orange-flowering plant belonging to the milkweed family. Although it is valued as a pollinator plant, it can appear as a volunteer weed in lawns, meadows, and open landscapes. The plant grows upright and forms clumps that can reach 1–3 feet tall.
Identification:
The leaves are narrow, lance-shaped, and arranged alternately along the stems. They have a slightly rough texture and deep green color. Unlike many milkweed species, butterfly weed produces little or no milky sap when stems are broken.
Flowers:
The plant produces clusters of vivid orange flowers arranged in flat-topped umbels. These blooms are highly attractive to butterflies and bees. Flowering usually occurs in summer.
Growth Habit:
Butterfly weed grows from a deep taproot, making it drought tolerant but difficult to remove once established. It thrives in sunny lawns, dry soil, and open areas with minimal competition.
2. Orange Hawkweed
Weed Name: Orange Hawkweed
Scientific Name: Pilosella aurantiaca (Hieracium aurantiacum)
Growth Type: Perennial creeping broadleaf weed
Orange hawkweed is a colorful but invasive lawn weed that produces striking orange-red flowers. It spreads aggressively through stolons (above-ground runners) and seeds.
Identification:
The plant forms a basal rosette of hairy gray-green leaves that lie close to the ground. The leaves are elongated and covered with soft hairs, giving them a fuzzy appearance.
Flowers:
Clusters of bright orange flowers grow on tall, slender stems that rise above the foliage. Each flower resembles a small dandelion head but with a distinctive orange coloration.
Growth Habit:
Orange hawkweed spreads rapidly in lawns with poor soil fertility or acidic soil. It forms dense patches that crowd out turfgrass, particularly in cool climates and neglected lawns.
3. Jewelweed (Orange Jewelweed)
Weed Name: Jewelweed
Scientific Name: Impatiens capensis
Growth Type: Annual broadleaf weed
Jewelweed is a fast-growing annual plant commonly found in moist lawns, woodland edges, and shady garden areas. It is often considered a weed because it spreads rapidly through seed dispersal.
Identification:
The leaves are oval-shaped with toothed edges and a soft texture. They appear slightly bluish-green and have a water-repellent surface that causes droplets to bead up like jewels.
Flowers:
The plant produces delicate orange trumpet-shaped flowers with small reddish spots. These flowers hang downward from slender stems and bloom from mid-summer to early fall.
Growth Habit:
Jewelweed spreads through explosive seed pods that burst when touched, scattering seeds several feet away. It thrives in moist soils, shaded lawns, and areas with poor turf competition.
4. Orange Nasturtium
Weed Name: Orange Nasturtium
Scientific Name: Tropaeolum majus
Growth Type: Annual creeping weed
Orange nasturtium is commonly grown as an ornamental plant but can spread into lawns and garden beds where it behaves like a weed.
Identification:
The plant has round, shield-shaped leaves that resemble lily pads. These leaves are bright green and attached to long stems that trail along the ground.
Flowers:
Large funnel-shaped flowers appear in shades of orange, yellow, or red. The blooms have five petals and a slightly wrinkled texture.
Growth Habit:
Nasturtium spreads through creeping stems and reseeding. It prefers sunny locations and well-drained soil but can tolerate poor soil conditions.
5. Scarlet Pimpernel
Weed Name: Scarlet Pimpernel
Scientific Name: Anagallis arvensis
Growth Type: Annual broadleaf weed
Scarlet pimpernel is a small creeping weed that produces bright orange-red flowers close to the ground. It is commonly found in lawns, gardens, and disturbed soil areas.
Identification:
The leaves are small, oval-shaped, and arranged opposite each other along the stem. They are smooth and light green in color.
Flowers:
The flowers are star-shaped with five petals and typically appear orange or reddish-orange. They open during sunny weather and close when clouds appear.
Growth Habit:
Scarlet pimpernel grows low to the ground and spreads across bare soil in lawns. It thrives in thin turf, compacted soil, and areas with poor lawn maintenance.
6. Red Sorrel (Sheep Sorrel)
Weed Name: Red Sorrel
Scientific Name: Rumex acetosella
Growth Type: Perennial broadleaf weed
Red sorrel, also known as sheep sorrel, is a common lawn weed that spreads aggressively in poor soils. Although the flowers are small and not always bright orange, the plant often produces reddish-orange seed clusters that make it noticeable in lawns and fields.
Identification:
The leaves are narrow and arrow-shaped with two small lobes at the base. They grow in a basal rosette close to the ground and have a smooth texture.
Flowers:
The flowers appear in clusters on tall stems and are usually reddish or orange-tinted. These clusters eventually produce many tiny seeds that spread easily by wind.
Growth Habit:
Red sorrel spreads through creeping underground rhizomes and seeds. It thrives in acidic soil, sandy lawns, and areas with poor turf health.
7. Evening Primrose
Weed Name: Evening Primrose
Scientific Name: Oenothera biennis
Growth Type: Biennial broadleaf weed
Evening primrose is a tall flowering weed that often appears in lawns, roadsides, and open landscapes. It grows as a rosette during the first year and produces flowering stems in the second year.
Identification:
The leaves are long, lance-shaped, and slightly hairy with a pale midrib. They form a rosette in the first year before the plant sends up a tall flowering stalk.
Flowers:
The flowers are yellow to orange-tinted and open in the evening or at dusk. Each bloom has four petals and produces a mild fragrance that attracts pollinators.
Growth Habit:
Evening primrose spreads mainly by seeds. It grows best in dry soils, disturbed ground, and lawns with thin grass coverage.
8. Tawny Daylily
Weed Name: Tawny Daylily
Scientific Name: Hemerocallis fulva
Growth Type: Perennial flowering weed
Tawny daylily is a hardy perennial that produces large orange trumpet-shaped flowers. Although commonly planted as an ornamental, it can spread into lawns and become invasive.
Identification:
The plant forms clumps of long, arching, grass-like leaves that grow from thick underground roots.
Flowers:
The flowers are large and bright orange with six petals and a darker central throat. Each flower lasts only one day, which is how the plant gets its name.
Growth Habit:
Daylilies spread through underground rhizomes and dense root systems. They often appear along lawn edges, roadsides, and neglected landscape areas.
9. Trumpet Creeper
Weed Name: Trumpet Creeper
Scientific Name: Campsis radicans
Growth Type: Perennial climbing vine
Trumpet creeper is a vigorous vine that can invade lawns, fences, and trees. It produces striking orange flowers and spreads aggressively.
Identification:
The leaves are compound and consist of several toothed leaflets arranged along a central stem.
Flowers:
The plant produces large trumpet-shaped orange flowers that grow in clusters. These blooms attract hummingbirds and pollinating insects.
Growth Habit:
Trumpet creeper spreads through underground runners and seeds. It thrives in sunny lawns, disturbed soil, and areas near structures or fences.
10. Chinese Lantern
Weed Name: Chinese Lantern
Scientific Name: Physalis alkekengi
Growth Type: Perennial broadleaf weed
Chinese lantern is a distinctive plant known for its bright orange lantern-like seed pods. It is sometimes grown as an ornamental but can become invasive in lawns and gardens.
Identification:
The leaves are heart-shaped with smooth edges and grow alternately along the stem.
Flowers:
The flowers themselves are small and pale, but after blooming the plant forms inflated orange husks that resemble lanterns. These husks contain the plant’s seeds.
Growth Habit:
Chinese lantern spreads through creeping underground rhizomes that allow it to form dense colonies. It commonly appears in lawns, garden beds, and disturbed soil areas.
11. Dalmatian Toadflax
Weed Name: Dalmatian Toadflax
Scientific Name: Linaria dalmatica
Growth Type: Perennial broadleaf weed
Dalmatian toadflax is an aggressive perennial weed often found in lawns, roadsides, and disturbed soil areas. It is known for its snapdragon-like flowers and its ability to spread rapidly through underground roots.
Identification:
The leaves are bluish-green, smooth, and somewhat heart-shaped where they clasp the stem. They are arranged alternately along upright stems and have a waxy surface.
Flowers:
The plant produces yellow to orange-tinted snapdragon-like flowers with a long spur at the back of the bloom. These flowers grow in clusters at the tops of stems.
Growth Habit:
Dalmatian toadflax spreads through creeping rhizomes and seeds. It thrives in dry soils, sunny lawns, and areas with disturbed ground.
12. Blanket Flower
Weed Name: Blanket Flower
Scientific Name: Gaillardia pulchella
Growth Type: Annual or short-lived perennial weed
Blanket flower is a colorful plant that can grow wild in lawns, open fields, and roadside areas. Although sometimes cultivated in gardens, it may appear as a volunteer weed.
Identification:
The leaves are narrow, hairy, and slightly lobed. They grow along upright stems that branch frequently.
Flowers:
The flowers are daisy-like with orange to reddish petals surrounding a darker center. The petals often have yellow edges, giving the bloom a multi-colored appearance.
Growth Habit:
Blanket flower spreads mainly through seeds. It thrives in sunny areas with sandy or well-drained soil and can appear in thin lawns where grass competition is weak.
13. Calendula
Weed Name: Calendula
Scientific Name: Calendula officinalis
Growth Type: Annual broadleaf weed
Calendula, also known as pot marigold, is often planted intentionally but can reseed itself and spread into lawns and garden beds.
Identification:
The leaves are soft, elongated, and slightly sticky to the touch. They grow alternately along branching stems.
Flowers:
Calendula produces bright orange or golden-yellow daisy-like flowers with many narrow petals. The blooms appear continuously through the growing season.
Growth Habit:
The plant spreads easily through seeds. It prefers sunny locations and well-drained soil but can grow in many lawn conditions.
14. Crossvine
Weed Name: Crossvine
Scientific Name: Bignonia capreolata
Growth Type: Perennial climbing vine
Crossvine is a vigorous climbing plant that can spread into lawns, fences, and nearby trees. It produces large trumpet-shaped flowers and grows rapidly in warm climates.
Identification:
The leaves are glossy and compound, consisting of two leaflets with a tendril between them that helps the vine climb.
Flowers:
The flowers are orange to reddish-orange with a yellow throat. They grow in clusters and attract hummingbirds and pollinating insects.
Growth Habit:
Crossvine spreads through seeds and climbing stems. It often appears along fences, walls, and wooded edges of lawns.
15. Scarlet Morning Glory
Weed Name: Scarlet Morning Glory
Scientific Name: Ipomoea coccinea
Growth Type: Annual climbing vine
Scarlet morning glory is a fast-growing vine that can spread across lawns, shrubs, and garden structures. It is considered a weed in many landscapes due to its aggressive growth.
Identification:
The leaves are heart-shaped and smooth with pointed tips. They grow along slender twining stems.
Flowers:
The plant produces small funnel-shaped flowers that are bright orange-red in color. These flowers open during the morning hours and attract pollinators.
Growth Habit:
Scarlet morning glory spreads through seeds and climbing vines that wrap around nearby plants or structures. It thrives in warm climates and sunny lawn edges.
16. Oriental Bittersweet
Weed Name: Oriental Bittersweet
Scientific Name: Celastrus orbiculatus
Growth Type: Perennial climbing vine
Oriental bittersweet is an aggressive invasive vine that can spread rapidly in lawns, woodland edges, and landscaped areas. It is known for its colorful orange fruit capsules that appear in late summer and fall.
Identification:
The leaves are round to oval with finely toothed edges and grow alternately along the vine. They are glossy green during the growing season and turn yellow in autumn.
Flowers:
The flowers are small and greenish-yellow, but the plant becomes very noticeable when it produces bright orange seed capsules that split open to reveal red berries.
Growth Habit:
Oriental bittersweet spreads through seeds and vigorous vines that climb over trees, fences, and shrubs. It thrives in sunny lawn edges and disturbed soils.
17. California Poppy
Weed Name: California Poppy
Scientific Name: Eschscholzia californica
Growth Type: Annual or short-lived perennial broadleaf weed
California poppy is famous for its bright orange cup-shaped flowers. While often planted intentionally, it frequently spreads into lawns and open landscapes where it behaves like a weed.
Identification:
The leaves are finely divided into narrow segments that give the plant a soft, feathery appearance. The foliage is blue-green in color.
Flowers:
The flowers are bright orange and cup-shaped with four delicate petals. They typically open during sunny weather and close at night or during cloudy conditions.
Growth Habit:
California poppy spreads through abundant seed production. It grows best in sunny areas with dry or sandy soil.
18. Sulphur Cosmos
Weed Name: Sulphur Cosmos
Scientific Name: Cosmos sulphureus
Growth Type: Annual broadleaf weed
Sulphur cosmos is a tall, fast-growing plant that produces orange to yellow flowers. Although often grown as an ornamental, it can easily spread into lawns and open fields.
Identification:
The leaves are finely divided and feathery, giving the plant a delicate appearance. The stems are slender and branching.
Flowers:
The flowers are daisy-like with bright orange or yellow petals surrounding a small central disk. They bloom continuously during warm weather.
Growth Habit:
Sulphur cosmos spreads mainly through seeds. It thrives in sunny lawns, disturbed soil, and areas with poor turf coverage.
19. Mexican Sunflower
Weed Name: Mexican Sunflower
Scientific Name: Tithonia rotundifolia
Growth Type: Annual broadleaf weed
Mexican sunflower is a tall plant that produces large, vibrant orange flowers. It is commonly found in open fields and can appear in lawns or garden beds where it reseeds itself.
Identification:
The leaves are large, triangular, and slightly hairy. They grow along sturdy upright stems that may reach several feet in height.
Flowers:
The flowers resemble sunflowers with bright orange petals surrounding a central disk. These blooms are highly attractive to butterflies and pollinators.
Growth Habit:
Mexican sunflower spreads primarily through seeds and thrives in warm climates with full sunlight and well-drained soil.
20. Indian Blanket
Weed Name: Indian Blanket
Scientific Name: Gaillardia pulchella
Growth Type: Annual or short-lived perennial weed
Indian blanket is a colorful flowering plant closely related to blanket flower. It often grows in lawns, roadsides, and open landscapes where the soil is sandy or dry.
Identification:
The leaves are narrow, slightly hairy, and arranged alternately along the stems. The plant grows upright and branches frequently.
Flowers:
The flowers have orange-red petals with yellow tips surrounding a dark central disk. The bright coloration makes the plant easy to identify.
Growth Habit:
Indian blanket spreads through seeds and thrives in sunny locations with well-drained soil. It often appears in thin lawns or disturbed ground.
21. Orange Globe Mallow
Weed Name: Orange Globe Mallow
Scientific Name: Sphaeralcea ambigua
Growth Type: Perennial broadleaf weed
Orange globe mallow is a drought-tolerant flowering plant often found in dry lawns and open landscapes in arid regions.
Identification:
The leaves are gray-green, fuzzy, and slightly lobed with a soft texture.
Flowers:
The plant produces clusters of small cup-shaped orange flowers that bloom throughout the warm season.
Growth Habit:
It spreads mainly by seeds and thrives in sandy or well-drained soils.
22. Desert Marigold
Weed Name: Desert Marigold
Scientific Name: Baileya multiradiata
Growth Type: Perennial flowering weed
Desert marigold grows in dry landscapes and sometimes invades sparse lawns in warm climates.
Identification:
Leaves are silvery-gray and covered with fine hairs that help the plant conserve moisture.
Flowers:
The plant produces bright yellow-orange daisy-like flowers on tall stems.
Growth Habit:
It spreads by seeds and prefers sunny areas with dry soil.
23. African Daisy
Weed Name: African Daisy
Scientific Name: Dimorphotheca sinuata
Growth Type: Annual broadleaf weed
African daisy is often planted as an ornamental but can spread into lawns and open landscapes.
Identification:
Leaves are narrow, slightly toothed, and grow along branching stems.
Flowers:
The flowers resemble daisies and appear in shades of orange, yellow, or peach with dark centers.
Growth Habit:
African daisy spreads through seeds and thrives in sunny lawns with sandy soil.
24. Orange Hawkbit
Weed Name: Orange Hawkbit
Scientific Name: Leontodon hispidus
Growth Type: Perennial broadleaf weed
Orange hawkbit resembles dandelions and is commonly found in lawns and grassy areas.
Identification:
The leaves form a rosette at the base and are narrow with irregular lobes.
Flowers:
The flowers are bright orange to yellow and grow on tall stems above the foliage.
Growth Habit:
It spreads through seeds and thrives in poorly maintained lawns.
25. Copperleaf
Weed Name: Copperleaf
Scientific Name: Acalypha australis
Growth Type: Annual broadleaf weed
Copperleaf is a common warm-season weed that can invade lawns and garden beds.
Identification:
Leaves are oval with serrated edges and often have a copper or reddish tint.
Flowers:
The plant produces small orange-brown flower spikes that are not very showy.
Growth Habit:
Copperleaf spreads rapidly through seeds and thrives in disturbed soil.
26. Orange Wallflower
Weed Name: Orange Wallflower
Scientific Name: Erysimum cheiri
Growth Type: Biennial flowering weed
Orange wallflower sometimes escapes cultivation and grows in lawns or rocky soil.
Identification:
Leaves are narrow, lance-shaped, and slightly hairy.
Flowers:
Clusters of bright orange flowers grow at the tops of tall stems.
Growth Habit:
It spreads mainly through seeds and prefers sunny locations.
27. Fireweed
Weed Name: Fireweed
Scientific Name: Chamerion angustifolium
Growth Type: Perennial flowering weed
Fireweed often appears in disturbed areas and recently cleared land.
Identification:
Leaves are long and narrow with prominent veins.
Flowers:
The plant produces bright orange-pink flower spikes that grow vertically along the stem.
Growth Habit:
Fireweed spreads through underground rhizomes and seeds.
28. Scarlet Flax
Weed Name: Scarlet Flax
Scientific Name: Linum grandiflorum
Growth Type: Annual broadleaf weed
Scarlet flax produces striking orange-red flowers and sometimes spreads from garden plantings.
Identification:
The leaves are thin, narrow, and arranged along slender stems.
Flowers:
The flowers have five delicate petals and a bright orange-red color.
Growth Habit:
It spreads mainly through seeds and grows well in sunny lawns.
29. Orange Coneflower
Weed Name: Orange Coneflower
Scientific Name: Rudbeckia fulgida
Growth Type: Perennial flowering weed
Orange coneflower is commonly found in fields and naturalized landscapes.
Identification:
Leaves are rough, lance-shaped, and arranged alternately along the stem.
Flowers:
The flowers feature bright orange petals surrounding a dark central cone.
Growth Habit:
The plant spreads through rhizomes and seeds.
30. Scarlet Sage
Weed Name: Scarlet Sage
Scientific Name: Salvia coccinea
Growth Type: Annual or short-lived perennial weed
Scarlet sage produces bright orange-red tubular flowers and may appear as a volunteer plant in lawns.
Identification:
Leaves are oval and slightly hairy with a mild herbal scent.
Flowers:
The tubular flowers grow along tall spikes and attract hummingbirds.
Growth Habit:
It spreads through seeds and grows in sunny or partially shaded areas.
31. Tropical Milkweed
Weed Name: Tropical Milkweed
Scientific Name: Asclepias curassavica
Growth Type: Perennial flowering weed
Tropical milkweed produces clusters of orange and red flowers and is sometimes found growing wild.
Identification:
Leaves are narrow, smooth, and arranged along upright stems.
Flowers:
The flowers grow in round clusters and contain both orange and red petals.
Growth Habit:
The plant spreads by seeds and thrives in warm climates.
32. Indian Paintbrush
Weed Name: Indian Paintbrush
Scientific Name: Castilleja coccinea
Growth Type: Perennial wildflower weed
Indian paintbrush is known for its vibrant orange-red flower bracts.
Identification:
Leaves are narrow and arranged alternately along slender stems.
Flowers:
The bright orange bracts resemble paintbrush tips and surround small flowers.
Growth Habit:
It grows in open grasslands and sometimes spreads into lawns.
33. Orange Balsam
Weed Name: Orange Balsam
Scientific Name: Impatiens balsamina
Growth Type: Annual flowering weed
Orange balsam grows rapidly and may appear in moist lawns and gardens.
Identification:
Leaves are long, narrow, and arranged along upright stems.
Flowers:
The flowers are orange or reddish and grow along the stem.
Growth Habit:
It spreads through explosive seed pods similar to jewelweed.
34. Orange Zinnia
Weed Name: Orange Zinnia
Scientific Name: Zinnia elegans
Growth Type: Annual flowering weed
Orange zinnia is commonly grown in gardens but may reseed into lawns.
Identification:
Leaves are broad, rough, and arranged opposite each other.
Flowers:
The flowers are bright orange with many petals arranged in layers.
Growth Habit:
It spreads mainly through seeds.
35. Desert Sunflower
Weed Name: Desert Sunflower
Scientific Name: Geraea canescens
Growth Type: Annual broadleaf weed
Desert sunflower is a drought-tolerant plant commonly found in dry landscapes.
Identification:
Leaves are gray-green and covered with fine hairs.
Flowers:
The flowers are bright orange-yellow and resemble small sunflowers.
Growth Habit:
The plant spreads through seeds and thrives in sunny, dry soil.
Quick Identification Table: Orange Flower Lawn Weeds
| Weed Name (Scientific Name) | Growth Type | Leaf Characteristics | Flower Features |
|---|---|---|---|
| Butterfly Weed (Asclepias tuberosa) | Perennial broadleaf | Narrow, lance-shaped leaves | Bright orange clustered flowers |
| Orange Hawkweed (Pilosella aurantiaca) | Perennial creeping weed | Hairy gray-green basal leaves | Small orange dandelion-like blooms |
| Jewelweed (Impatiens capensis) | Annual broadleaf | Oval, toothed leaves | Hanging orange trumpet-shaped flowers |
| Orange Nasturtium (Tropaeolum majus) | Annual creeping plant | Round, shield-shaped leaves | Large orange funnel-shaped blooms |
| Scarlet Pimpernel (Anagallis arvensis) | Annual creeping weed | Small oval leaves | Orange-red star-shaped flowers |
| Red Sorrel (Rumex acetosella) | Perennial broadleaf | Arrow-shaped leaves | Reddish-orange seed clusters |
| Evening Primrose (Oenothera biennis) | Biennial broadleaf | Long lance-shaped leaves | Yellow-orange evening-opening flowers |
| Tawny Daylily (Hemerocallis fulva) | Perennial clumping plant | Long strap-like leaves | Large orange trumpet flowers |
| Trumpet Creeper (Campsis radicans) | Perennial vine | Compound toothed leaves | Orange tubular trumpet blooms |
| Chinese Lantern (Physalis alkekengi) | Perennial broadleaf | Heart-shaped leaves | Orange lantern-like seed pods |
| Dalmatian Toadflax (Linaria dalmatica) | Perennial broadleaf | Waxy heart-shaped leaves | Orange-yellow snapdragon flowers |
| Blanket Flower (Gaillardia pulchella) | Annual / perennial | Narrow hairy leaves | Orange-red daisy flowers |
| Calendula (Calendula officinalis) | Annual broadleaf | Soft elongated leaves | Bright orange daisy-like blooms |
| Crossvine (Bignonia capreolata) | Perennial climbing vine | Compound glossy leaves | Orange trumpet flowers |
| Scarlet Morning Glory (Ipomoea coccinea) | Annual vine | Heart-shaped leaves | Small orange-red funnel flowers |
| Oriental Bittersweet (Celastrus orbiculatus) | Perennial vine | Oval toothed leaves | Orange seed capsules with red berries |
| California Poppy (Eschscholzia californica) | Annual wildflower | Finely divided feathery leaves | Cup-shaped bright orange flowers |
| Sulphur Cosmos (Cosmos sulphureus) | Annual flowering weed | Feathery divided leaves | Orange daisy-like flowers |
| Mexican Sunflower (Tithonia rotundifolia) | Annual broadleaf | Large triangular leaves | Bright orange sunflower-like blooms |
| Indian Blanket (Gaillardia pulchella) | Annual wildflower | Narrow hairy leaves | Orange-red petals with yellow tips |
| Orange Globe Mallow (Sphaeralcea ambigua) | Perennial broadleaf | Fuzzy gray-green leaves | Small orange cup-shaped flowers |
| Desert Marigold (Baileya multiradiata) | Perennial flowering weed | Silvery hairy leaves | Yellow-orange daisy flowers |
| African Daisy (Dimorphotheca sinuata) | Annual broadleaf | Narrow toothed leaves | Orange daisy blooms with dark centers |
| Orange Hawkbit (Leontodon hispidus) | Perennial broadleaf | Narrow lobed basal leaves | Orange-yellow dandelion-like flowers |
| Copperleaf (Acalypha australis) | Annual broadleaf | Oval serrated leaves | Small orange-brown flower spikes |
| Orange Wallflower (Erysimum cheiri) | Biennial weed | Narrow lance-shaped leaves | Clusters of orange flowers |
| Fireweed (Chamerion angustifolium) | Perennial flowering plant | Long narrow leaves | Orange-pink vertical flower spikes |
| Scarlet Flax (Linum grandiflorum) | Annual flowering weed | Thin narrow leaves | Bright orange-red five-petal flowers |
| Orange Coneflower (Rudbeckia fulgida) | Perennial flowering plant | Rough lance-shaped leaves | Orange petals with dark cone center |
| Scarlet Sage (Salvia coccinea) | Annual / short-lived perennial | Oval slightly hairy leaves | Orange-red tubular flowers |
| Tropical Milkweed (Asclepias curassavica) | Perennial broadleaf | Narrow smooth leaves | Orange-red clustered flowers |
| Indian Paintbrush (Castilleja coccinea) | Perennial wildflower | Narrow green leaves | Orange-red brush-like bracts |
| Orange Balsam (Impatiens balsamina) | Annual broadleaf | Long narrow leaves | Orange flowers along stems |
| Orange Zinnia (Zinnia elegans) | Annual flowering weed | Broad rough leaves | Bright orange layered petals |
| Desert Sunflower (Geraea canescens) | Annual broadleaf | Gray-green hairy leaves | Orange-yellow sunflower blooms |
Summary
The guide covered several categories of plants, including perennial broadleaf weeds, annual flowering weeds, creeping groundcover species, and climbing vines.
Many of the weeds listed—such as orange hawkweed, trumpet creeper, and Dalmatian toadflax—are known for their aggressive spreading habits. Others, including butterfly weed, California poppy, and blanket flower, are sometimes intentionally planted but may spread into lawns through reseeding. Identifying these weeds early allows homeowners to manage them more effectively through proper lawn care practices such as maintaining dense turfgrass, improving soil health, and removing invasive plants before they produce seeds.
References
- U.S. Department of Agriculture – Plants Database
https://plants.usda.gov - University of Minnesota Extension – Weed Identification Guide
https://extension.umn.edu/find-plants/weeds - Penn State Extension – Lawn and Turfgrass Weed Management
https://extension.psu.edu/lawn-and-turfgrass-weeds - Purdue University Turfgrass Science – Broadleaf Weed Identification
https://turf.purdue.edu - Missouri Botanical Garden – Plant Finder and Weed Identification
https://www.missouribotanicalgarden.org/plantfinder
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