Hairy sunflower (Helianthus hirsutus)

Hairy sunflower

Also known as: Oblong Sunflower , Stiff-hair sunflower

Hairy sunflower (Helianthus hirsutus) is a flowering perennial species which spreads using underground rhizomes. Hairy sunflower is considered easy to grow in gardens and prefers full sunlight for optimal growth. This species attracts bees, wasps, flies, and butterflies.

Scientific classification

Species

Hairy sunflower (Helianthus hirsutus)

Asters bellflowers fanflowers and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Herb

Plant Type

Late summer, Fall

Bloom Time

91 cm to 1.5 m

Plant Height

30 cm to 45 cm

Spread

2.5 cm to 5 cm

Flower Size

Yellow, Brown

Flower Color

Deciduous

Leaf type

Images of Hairy sunflower

Distribution of Hairy sunflower

Distribution Map

Hairy sunflower is a plant species native to North America's eastern regions. Despite its localized natural distribution, it has spread beyond its original habitat due to human activity, thus it is found in various other parts of the continent either as an introduced species or through cultivation.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Open forests or along the edges of forests

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Fertility, Wishes, Health

Get quick plant knowledge with a snap

Snap a photo for instant plant identification and learn about its name, symbolism, interesting facts, uses, and more.

Download the App for Free

Care Guide for Hairy sunflower

Every week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Hairy sunflower thrives in moderate moisture and prefers consistent hydration, requiring weekly watering. It benefits from full sunlight when grown outdoors, impacting its growth cycles and water uptake significantly.

Fertilize: For hairy sunflower, use balanced or high-phosphorus fertilizers quarterly, applying 1-2 tablespoons per plant. Lighter feeding is required in winter. Employ a slow-release formula and water well after application. Follow manufacturer instructions to maintain hairy sunflower's health and vibrancy while avoiding over-fertilization.

Pruning: Hairy sunflower features hairy stems and bright yellow flowers, benefiting from spring pruning. Key practices involve cutting dead stems for airflow and enhancing growth. Seasonal pruning encourages dense foliage and blooms, while regular maintenance helps prevent pests and diseases for a healthy garden presence.

Propagation: Hairy sunflower propagates best by sowing seeds in well-draining, fertile soil, ensuring good soil contact. Maintain moisture with regular watering and select a sunny location for optimal growth. Handle seedlings carefully to minimize transplant shock and support healthy development.

Repotting: Hairy sunflower requires excellent drainage in pots to thrive effectively.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Images of Hairy sunflower

Distribution of Hairy sunflower

Culture

Care Guide for Hairy sunflower

PEOPLE ALSO ASK