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Delphinium, Pacific Giants Mixed Colors Seeds

Delphinium elatum
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Grow a stunning garden with Delphinium Pacific Giants Mixed Colors Seeds.

Pacific Giant Delphinium adds majesty and beauty to the background of flower gardens. Long flower-filled spikes bloom in white, blue, pink, mauve, and purple. The flowers populating the spikes are symmetrically shaped, with huge 8 cm (3") blooms. This delphinium also has mildew resistance. 

Caution: The plant is poisonous if ingested.

  • SKU: 142189
  • Common Name: Delphinium
  • Botanical Name: Delphinium elatum
Growing Information Chevron Down Chevron Forward
Safe for bees
Safe
for Bees
Good for pollinators
Good For Pollinators
Grow best in
Grows
Best In:
Full Sun|Part Shade
Days to germination
Days to
Germination:
8 - 18 days
Water needs
Water
Needs:
Average 2.5-5 cm (1-2") per week
Growing height
Growing Height:
1.2-1.8 m (4-6')
Key Features Chevron Down Chevron Forward
  • Plant Type: Flower
  • Plant Lifecycle: Perennial (returns every year)
  • Fill Weight (grams): 0.125
  • Approximate Seed Count: 60-70
  • Characteristics: Attracts butterflies, hummingbirds and pollinators | Cut flowers
  • Planting Method: Start Indoors
  • Color: Purple | Blue | White | Pink
  • Water Needs: Average 2.5-5 cm (1-2") per week
  • Hardiness Zone(s): 2 - 9
  • Harvest/Bloom Season: July to August
  • Landscape Use: Border / Edge Planting
  • Resistance: Deer|Rabbit|Mildew
  • Tolerance: Drought
Instructions Chevron Down Chevron Forward
    Growing Instructions:

    Start Columbine seeds indoors 8-10 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 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. Follow the seed depth and spacing guidelines indicated below. 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")
  • Plant Spacing: 60 cm (24")
  • 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.
Suggestions Chevron Down Chevron Forward
Growing Suggestions:

*Seeds will germinate better if they have been cold-stratified before planting. Cold-stratification is the process of exposing seeds to cold and moist conditions to break dormancy and increase germination rates. Soak seeds for 1-2 hours in room temperature water. Moisten a paper towel (not soaking wet), and spread seeds out in a single layer on the paper towel. Wrap a dry paper towel around the damp paper towel to help keep things moist but not too wet (which could become mouldy). Place in a plastic bag and seal. Place the bag in the refrigerator for 2 weeks before planting. If seedlings start to sprout in the bag in the refrigerator, remove them immediately and plant them according to normal seed starting indoors methods.

  • Well-draining soil is necessary as the plant does poorly in soggy soil and will cause stress to the plant and crown rot.
  • Delphiniums have hollow stems and the plants may need to be staked once flower heads have developed to keep them from bending or breaking.
  • Harvest flowers when 1/3 of the florets are open. Click here to learn more about harvesting flowers.
  • After the first flush of flowers, when they start to wither and look untidy, you should cut the flowering spikes down to the ground, while leaving the foliage intact. Although it may seem harsh, this will encourage a second flush of flowers to bloom later in the season.
  • Try to water plants at the base of the plant rather than overhead. Dampness on foliage invites disease.

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