# prairie sunflower (*Helianthus petiolaris*) The prairie sunflower is a bright and cheerful flower that loves to grow in sunny places. Its big yellow petals and brown center make it look like a little sun shining in the grass! - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 3 - **Habitat:** Grasslands ![prairie sunflower](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Helianthus_petiolaris_USDA.jpg&width=800) Photo: Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Helianthus_petiolaris_USDA.jpg) ## Appearance The prairie sunflower has bright yellow ray petals surrounding a reddish-brown central disk of tiny florets. Its stems are hairy and rough to the touch, often branching. The leaves are typically triangular or lance-shaped, appearing rugged. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Magnoliopsida - **Order:** Asterales - **Family:** Asteraceae - **Genus:** Helianthus ## Interesting facts - Each big 'flower' is actually hundreds of tiny flowers packed together! - Its scientific name, Helianthus petiolaris, means 'sun flower with small stalks'! - Native Americans historically used parts of this sunflower for food and dye! - This tough plant can grow even in dry, sandy, or disturbed soils! ## Special abilities - **Deep-Root Diver:** Prairie sunflower has a long taproot that helps it find water deep underground, surviving dry prairie conditions. - **Sun Tracker:** Young prairie sunflowers can turn their heads to follow the sun, getting maximum energy for growth. - **Seed Spreader:** Prairie sunflower produces hundreds of seeds that help it reproduce widely and feed many prairie creatures. ## Measurements & details - **Height:** 30-180 cm - **Spread:** 30-60 cm - **Flower Size:** 5-10 cm - **Bloom Season:** Summer to early fall - **Edible:** Yes - **Toxicity:** None - **Lifecycle:** Annual - **Pollination Method:** Insect ## Ecological connections - **Pollinates:** European honey bee (*Apis mellifera*) — gathers nectar and pollen from its flowers. - **Pollinates:** [common eastern bumble bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*) — collects pollen and nectar, aiding reproduction. - **Eaten by:** [American Goldfinch](https://www.snappit.app/explore/american-goldfinch) (*Carduelis tristis*) — feasts on the tiny, oil-rich seeds. - **Eaten by:** [deer mouse](https://www.snappit.app/explore/deer-mouse) (*Peromyscus maniculatus*) — eats its protein-rich seeds. ## Traits - [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle. - [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished. - [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense. - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption. - [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals. - [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms. - [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period. - [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment. ## Collections - [Plants](https://www.snappit.app/explore/collections/plants) ## Safety **Danger:** 1/5 · Very low Always look but don't pick flowers in nature to help them grow. ## Frequently Asked Questions ### How to identify prairie sunflower? Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details. ### How tall is prairie sunflower? 30-180 cm ### How wide does prairie sunflower spread? 30-60 cm ### How big are the flowers on prairie sunflower? 5-10 cm ### When does prairie sunflower bloom? Summer to early fall ### Is prairie sunflower edible? Yes ### Is prairie sunflower toxic? None ### What is prairie sunflower's lifecycle? Annual ## Where to spot - [Morrill County Courthouse](https://www.snappit.app/guides/places/morrill-county-courthouse) — Nebraska, US · Historic Site - [Lake Brownwood State Park](https://www.snappit.app/guides/places/lake-brownwood-state-park) — Texas, US · State Park - [Rita Blanca National Grassland](https://www.snappit.app/guides/places/rita-blanca-national-grassland) — Texas, US · National Park - [Dinosaur Park](https://www.snappit.app/guides/places/dinosaur-park) — South Dakota, US · Botanical Garden [View all places to see prairie sunflower](https://www.snappit.app/guides/where-to-see/prairie-sunflower) ## More Plants - [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*) - [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*) - [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*) - [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) --- Source: [Prairie Sunflower: Facts & Places to See — Snappit](https://www.snappit.app/explore/prairie-sunflower)