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67724

Jolly Joker Sunflower

2 reviews

The dramatic 6' tall plants are covered with interesting semi-double blooms as large as 5" across in a mixture of mahogany and golden yellow. Striking! Pollenless. (F1) 

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: 60" x 36-48"

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. 

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DC
07/07/2020
Dave C.
United States United States
I recommend this product
Plants and flowers look great!

Wide selection of seeds at a good price. Also, there are unusual varieties, organic, and heirloom.

PB
04/21/2018
Paul B.
United States
Just a little early to

Just a little early to tell! Mail me back in about 4 months.