Pink and Purple Iris-sale
Pink and Purple Iris-sale
Pink and Purple Iris-sale
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  • Load image into Gallery viewer, Pink and Purple Iris-sale
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Pink and Purple Iris-sale

Regular price
$ 3.33 USD
Sale price
$ 3.33 USD
Regular price
$ 5.99 USD
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Iris seeds are slow to germinate (28 to 35 days) and are subject to decay before they can get going. This is why we recommend planting 3 to 5 seeds per location, and then thinning them as they get established.

  • Seed Treatment: Cold stratify your iris seeds for 30 to 60 days to trigger germination. Some guides recommend dunking the seeds in boiling water for about a minute at the end of the stratification process.
  • Planting Depth: 1/16” to 1/8"; iris seeds require sunlight to germinate.
  • Starting Indoors: Prepare biodegradable pots with a sterile seedling mix, and plant 3 to 5 treated seeds in each container. Place containers under artificial light in a 65°F to 70°F room, cold frame, or greenhouse.
  • When to Plant Outdoors: Direct sow your iris seeds as soon as all danger of frost has passed.
  • Seed Spacing: 18" in any direction. Map out a "zigzag" pattern to create staggered rows for the best effect.
  • Days to Germination: 28 to 35 days
  • Transplanting Tips: Plant the seedlings, biodegradable pots and all, being careful not to disturb the growing rhizomes. Give the pots a good soaking before you do, and consider gently scoring the sides to help the root system "break out."

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