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Catalogue > Wildflower Species & Blends > Wildflower Varieties > Dwarf Yellow Prairie Coneflower (Ratibida columnifera) 6910

Dwarf Yellow Prairie Coneflower (Ratibida columnifera) 6910

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This pretty native North American plant is found throughout the southern plains areas in central Canada. Sturdy, drought tolerant colourful plants up to 1 m (3') tall bloom from mid summer through to early fall. Thrives in hot, humid conditions and is best in medium to drier soils. Flowers are up to 7.5 cm (3") across with bright yellow reflexed petals and a pronounced dark brown tubular centre.  Flowers are a butterfly favourite and the seed produced by this plant is preferred by many birds and small mammals. Perennial hardy to Zone 4.
 

  • Packet $1.99
  • 25g $8.35

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* Quantity:
6910
1,800 seeds/gram. Start seed indoors in early March in a soil-less mix. Press the seed into contact and no deeper than 3 mm (1/8") with the soil-less mix but do not cover as light aids germination. Place the seed in a refrigerator for a 30 days cold treatment before bringing the container back to the warmth. Germinate at 21 C (70 F) then grow on under lights at a slightly cooler temperature. Harden off then transplant outside to a sunny spot after the danger of frost has passed. Seed can also be directly sown outdoors in the fall for natural stratification.
High Summer
Perennial
Start Indoors or Sow Direct in Fall
Full Sun
Sturdy
Medium Tall (60 to 90 cm)(24 to 36")
Winter Hardy
Easy
Native of Canada
Asteraceae
Ratibida pinnata
Important component of native plantings.
Massing in sunny dry areas.
Important component in wildlife and pollinator gardens.
Vertical height in the sunny 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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