Helianthus salicifolius
TAXONOMY
FamilyAsteraceae
GenusHelianthus
Zone4
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Helianthus salicifolius, commonly known as the willowleaf sunflower, is a perennial plant in the Asteraceae family. Native to North America, it is known for its tall, slender stems and narrow, willow-like leaves. The plant produces bright yellow flowers in late summer to fall. It thrives in temperate climates and can grow up to 8 feet tall.
ALSO KNOWN AS
Willowleaf Sunflower
Helianthus filiformis
Helianthus ×filiformis
Helianthus orgyalis
OVERVIEW
VPDCalculate
WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Willowleaf sunflower prefers full sun and moderate temperatures. It should be watered regularly but allowed to dry out partially between waterings. The plant thrives in moderate humidity and should be protected from extreme cold. Regular pruning helps maintain its shape and encourages more blooms.Soil
Helianthus salicifolius prefers well-draining loamy soil. It can tolerate a range of soil types but performs best in soil that retains some moisture without becoming waterlogged. Good drainage is essential to prevent root rot.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 is suitable for this plant. Fertilize in the growing season, typically once a month, to support healthy growth and flowering.Repotting
Repotting is generally not necessary for outdoor plants, but if grown in containers, repot every 2-3 years to refresh the soil and provide more space for root growth. Choose a slightly larger pot and ensure good drainage.Propagation
Propagation can be done through seeds or division. Seeds should be sown in spring, while division is best done in early spring or fall. Divide the root clumps and replant them in well-prepared soil.Pruning
Pruning is beneficial for Helianthus salicifolius. Cut back the stems in late winter or early spring to encourage new growth. Deadheading spent flowers can also promote more blooms.Toxicity
Helianthus salicifolius is not toxic to pets or humans. It is safe to grow in gardens where children and pets are present.Additional
This plant can be a striking addition to a garden due to its height and bright flowers. It can also attract pollinators like bees and butterflies, making it a great choice for a pollinator-friendly garden.REVOLUTIONIZE YOUR PLANT CARE
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