Due to an unprecedented increase in order volume, please be aware that it may take UP TO TWO weeks for your order to arrive.
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Hollyhock ‘Black Prince’ Seeds

A stunning and hard to find double black hollyhock.

Availability: Out of stock

$2.95
All orders are hand-packaged and may take UP TO TWO weeks to arrive.
Thank you for your patience during this time.

Details

Black Prince is a stunning and hard to find double black hollyhock. Hollyhocks are great flowers to attract hummingbirds, butterflies and bees with. Plant this gorgeous old-fashioned flower in the back of your border.

Michigan Seeds grown on our farm, Renegade Acres, in Howell, MI!

Certified Organic by Oregon Tilth.

Additional Info

Botanical Name Alcea rosea var. nigra
Life Cycle Biennial
Min. Time to Germinate 10 Days
Max. Time to Germinate 14 Days
Depth to Sow Seeds Surface Sow; press seeds gently into the soil to make good contact, but do not cover with any additional soil; these seeds require light to germinate
When to Sow Indoors 6-8 weeks before last spring frost
Growing Height 4-6 ft. (1.2-1.8 m)
Plant Spacing 24-36 in. (60-90 cm)
Hardiness USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F, USDA Zone 10a: to 35F
Sun Exposure Full Sun
Danger N/A
Bloom Color Dark Purple/Black, Maroon (Purple-Brown)
Bloom Time Late Summer/Early Fall, Mid-Summer
Foliage Herbaceous
Other Details Average Water Needs; Water regularly; do not overwater, Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH Requirements 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline)
Propagation Methods From seed; direct sow after last frost, From seed; direct sow outdoors in fall, From seed; sow indoors before last frost, From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting Allow pods to dry on plant; break open to collect seeds
Seeds Per Pack 15