Hollyhock 'Jet Black' AKA 'Nigra' Seeds (Naturally Grown)
$3.50
In stock
SKU
GH1921
This traditional variety is shockingly beautiful with its near-black flowers with just a hint of red. Gorgeous planted out by the old white outhouse or in the back of your flower bed.
This variety was mentioned in 1629 and was planted in the gardens at Monticello by Thomas Jefferson. This traditional variety is shockingly beautiful with its near-black flowers with just a hint of red. Gorgeous planted out by the old white outhouse or in the back of your flower bed. A must for historical gardens. You’ll love this richly colored variety. Hollyhocks are great flowers to attract hummingbirds, butterflies, and bees with. Plant this gorgeous old-fashioned flower in the back of your border.
| Botanical Name | Alcea rosea var. nigra |
|---|---|
| Seeds Per Pack | 25 |
| 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 |
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