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67721

Black Russian Sunflower

Plants can be twelve to fifteen feet tall and blooms are eight inches across. Petals are a bright golden yellow and centers can be quite dark or quite light. Seeds are black and striped. A good planting for the birds.

20 seeds

 

 

PLANTING

Helianthus annuus

Annual 

Germination:  7-14 days

Germination Temperature: Optimum soil temperatures 70-75ºF.

Seed Planting Depth: Sow ½-1” deep

Starting Indoors: Start indoors 4-6 weeks before the last frost. Provide 70-75ºF soil temperature. Using peat, cow, or paper pots can help with the stress of transplanting, they grow delicate roots and successful transplanting may be challenging. Transplant after the last frost, 18-24" apart. Water seedlings regularly until established. 

Sowing Outdoors: After the last frost, when soil is over 70ºF. Sow a few seeds every- short and single stem varieties 6-12" apart, branching varieties 18-24" apart. Thin to the most robust seedling. Sow a few weeks later for continuous blooms

Growth Habit: Upright, Branching

Height and Width: 12-15' x 18-24"

Spacing: 18-24" apart

Light Needs:  Full sun

Soil Needs:  Loose, rich, well-drained

Approximate days to flower from seed: 65-75 days

Uses: Cut flowers and flower beds, short varieties-containers and planters, Attracts pollinators

Care:  Mix compost into the soil before sowing or transplanting. Adding too much nitrogen can cause plants to produce more foliage than flowers. 

Customer Reviews

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Customer Reviews
5.0 Based on 3 Reviews
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CP
09/02/2021
Carola P.
United States United States

Will plant next year.

JT
02/17/2021
jean t.
United States United States
seed purchases sunflowers (and poppies and other less common items)

excellent... I have shopped with Pinetree for several years and am always delighted with the results. They are prompt, personable, and innovative in the variety of seed and other products they make available.

Pinetree Garden Seeds Black Russian Sunflower ReviewPinetree Garden Seeds Black Russian Sunflower ReviewPinetree Garden Seeds Black Russian Sunflower Review
C
01/16/2021
Cathe
United States United States
reliable

I've grown these for several years in a row. The seeds sprout well and the plants are incredibly hardy. It is satisfying to watch them grow into huge, leafy stems with giant, vibrant flowers. The birds love these "self-service birdfeeders."

Pinetree Garden Seeds Black Russian Sunflower Review