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Catalogue > Wildflower Species & Blends > Wildflower Varieties > Ox Eye Sunflower (Heliopsis helianthoides) 6955

Ox Eye Sunflower (Heliopsis helianthoides) 6955

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Ox Eye Sunflower is often referred to as False Sunflower or Smooth Oxeye. Native to the eastern half of North America, this spreading multi-branched plant is an early flowering wildflower that's loaded with single and double yellow flowers 5-7.5 cm (2-3") wide from July through September. Enjoys full morning sun and partial afternoon shade and will tolerate a wide range of soils and soil moisture levels. Mature plants reach 60-120 cm (2-4') garden height.  Ox Eye sunflower is a short lived perennial that is very pest and disease resistant and makes a great cutflower. Flowers attract pollinators and the seed is consumed by birds and small mammals. In garden situations, divide the clumps every 3-4 years if plants become crowded. Supply is limited. Perennial hardy to Zone 3.

  • Packet $1.99
  • 5g $6.25
  • 25g $20.95

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Item
* Quantity:
6955
220 seeds/gram. Start seed indoors in a soil-less mix anytime from February through March. Germination is somewhat irregular and seeds need light for germination so just press seed into the growing medium. Keep the seed starting medium at 18 C (65 F) during the 10-18 day germination period. After germination, grow on under lights then harden off and transplant to a partly sunny spot in the garden. Direct garden sow in early spring or late fall for a second year bloom. Fall seeding allows any dormant seed to be naturally stratified over the winter. Plants generally do not flower until the second growing season when grown from seed.
Early Summer
Perennial
Start Indoors or Sow Direct in Fall
10 to 30 irregular
Full Sun
Bushy
Winter Hardy
Easy
Native of Canada
Asteraceae
Helianthus helianthoides
Massing in large gardens.
Native food and shelter plant for birds, small mammals and pollinators.
Specie in native grass/forb seed blends.
Perennial border.
Many native plants produce seed that is viable but dormant. This means that while the seed has all the internal structures and nutrients required to germinate, the seed coat is so hard, water cannot pass through it and initiate germination. When seed is in this state, it is known as being dormant. Seed dormancy is a naturally selected for trait that protects the seed of many plants allowing them to safely overwinter and then be ready to sprout in more favourable conditions in spring.
The remedy to naturally breaking seed dormancy is typically the passing of time. In particular, seed overwintering outside and experiencing the natural freeze thaw cycles that occur in late fall, winter and early spring. To artificially break seed dormancy, sow the seed in a soil-less mix, water than chill in a refrigerator for a set period of time. This dormancy breaking process is called stratification.
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