Close up of Creme de Cassis Hollyhock on a white background.
Close-up of Creme de Cassis Hollyhock blooms growing in garden.
Close-up of Creme de Cassis Hollyhock bloom with dew drops.
Close-up of Creme de Cassis Hollyhock blooms.
Hollyhock Seeds, Creme de Cassis
Close up of Creme de Cassis Hollyhock on a white background.
Close-up of Creme de Cassis Hollyhock blooms growing in garden.
Close-up of Creme de Cassis Hollyhock bloom with dew drops.
Close-up of Creme de Cassis Hollyhock blooms.
Hollyhock Seeds, Creme de Cassis

Hollyhock Seeds,
Creme de Cassis

4.49 ReviewsSKU: #FL419Min. seed count: 15
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Description

A first-year blooming biennial zones 3-9. These wine-colored blooms are incredibly attractive to a range of pollinators, from bees to butterflies and hummingbirds. The dramatic spikes will loom over the garden at the back of the border, standing 6-8 feet tall and blooming from early to late summer.

Growing Tips: Direct sow in the spring or sow in containers to transplant in spring. Sow seeds up to 1/2 inch deep and keep soil moist. Prefers full sun.

Plant Details

Botanical Name
Alcea rosea
Life Cycle
Biennial
Sun Requirement
Full Sun/Part Sun
Days to Germinate
10–14
Days to Maturity
120
Planting Depth
¼ in.
Plant Spacing
12 in.
Ideal Temperature
65–90°F
Frost Hardy
Yes

When to Grow

Direct sow Creme de Cassis in spring, or sow in containers to transplant in spring. Plant the seed no deeper than ¼ inch, since light aids germination, and keep the soil moist while the seeds come up over 10 to 14 days. Space plants 12 to 24 inches apart in full sun to part sun, in moist, rich, well-drained soil; these run 6 to 8 feet, so err toward the wider spacing. Stake the 6- to 8-foot spikes or give them a sheltered spot, and look for bloom from early to late summer, at about 120 days.

How to Sow and Plant

  • Seeds germinate in 10 to 14 days.
  • Direct sow seeds just 1/8-1/4 inch deep, as light aids germination, but seeds do not like to dry out.

How to Grow

  • Plants prefer full sun to part shade.
  • They require moist, rich, well-drained soil.
  • Space plants about 24 inches apart and provide staking for the tall flower spikes.
  • Cut down spent flower spikes to improve the health and longevity of the plant.

PESTS/SPECIAL CONSIDERATIONS

  • Hollyhock is a fairly care-free flower, but rust is a common issue. It can be avoided by providing good air circulation to the foliage and watering the base of the plants rather than the leaves.
  • The tall plants can be easily blown over in high winds. Position the planting area to protect against strong gales, such as close to the side of a building, or just provide some staking.

How to Save Seeds

  • Allow flowerheads to turn brown and dry on plants.
  • Clip the heads and dry the seeds, placing them in a brown paper bag for a week in a dark, dry place.
  • Store seeds in a cool, dark, dry place over winter.

FAQ

Does Creme de Cassis attract pollinators?

The wine-colored blooms are incredibly attractive to a range of pollinators, from bees to butterflies and hummingbirds. Hollyhock is also a host plant for the painted lady butterfly.

Will Creme de Cassis flower in its first year?

It is described as a first-year blooming biennial for zones 3–9, with dramatic spikes blooming from early to late summer.

Should I cut Creme de Cassis flower spikes down when they finish?

Yes — cut down spent flower spikes to improve the health and longevity of the plant.
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