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Hollyhock Seeds, Halo Mix Hybrid

Alcea rosea
Regular price $2.29
Regular price Sale price $2.29
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This Fleuroselect Award Winner produces spectacular extra-large, two-tone single blooms. May require staking to hold up the giant blooms. This long flowering perennial is a must-have for flower gardeners.

  • SKU: 138179
Growing Information Chevron Down Chevron Forward
Safe for bees
for Bees
Good for pollinators
Good For Pollinators
Grow best in
Best In:
Full Sun
Days to germination
Days to
10 to 14 days
Water needs
Average 2.5-5 cm (1-2") per week
Growing height
Growing Height:
1.8 m (6')
Key Features Chevron Down Chevron Forward
  • Plant Type: Flower
  • Botanical Name: Alcea rosea
  • Fill Weight (grams): 0.22
  • Approximate Seed Count: 17-20
  • Characteristics: Fleuroselect Award Winner | first year flowers | attracts pollinators | cutting flower
  • Planting Method: Start Indoors
  • Seed Type: Hybrid
  • Color: Pink, white, fuschia, yellow, red, violet, purple, blue with contrasting eyes
  • Water Needs: Average 2.5-5 cm (1-2") per week
  • Hardiness Zone(s): 3 to 9
  • Harvest/Bloom Season: July to September
  • Awards: Fleuroselect Award Winner
Instructions Chevron Down Chevron Forward
    Growing Instructions:

    Start Hollyhock seeds indoors 6-8 weeks before the last frost in your area. Follow the seed depth and spacing guidelines indicated below. Once all danger of frost has passed, seedlings should be hardened off before planting into their growing location. Seedlings should be transplanted according to the plant and row spacing directions below. Pick a location sheltered from the wind and receives at least 6 hours of sun per day. Regularly monitor your plants and ensure that the soil remains moist, but not soggy while they establish themselves in their new environment.

    Click here to read more information on planning and planting a garden.

  • Planting Depth: 3 mm (1/8")
  • Seed Spacing: 1.3 cm (1/2")

  • Instructions for Nutrient Care: Feed plants SUPERthrive once per week. Mix 1.2 ml (1/4 tsp) per 4L (1 gallon) of water in a watering can and apply solution to the base of the plants.
  • Plant Spread: 30 cm (12")
Suggestions Chevron Down Chevron Forward
Growing Suggestions:
  • Pinch out the growing tip immediately after transplanting to produce stocky, stronger plants.
  • Plants will flower in the first year if seed is started indoors.
  • Plants can become top-heavy once flower stalks develop and may require staking so the stalks do not bend or break when windy.
  • Regularly removing spent flowers, known as deadheading will keep the plant tidy and may reward you with more blooms.
  • Harvest when 1/2 the flowers on the stem are open. Click here to learn more about harvesting flowers.

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