Starting wild iris from seed is a simple task, but it requires patience. Wild iris seed is sown in September and must spend the winter underground before it germinates in spring. Once wild iris germinates, it must grow for two to four seasons before the plant is mature enough to flower. When the wild iris does flower, however, it will produce three to four flowers per stalk for most of the month of June.
Loosen the soil to a depth of 6 inches with a hand or rototiller. As you turn the soil, remove any rocks, plants or other debris from the planting area.
Spread 1 inch of aged compost over the soil.
Till the soil again to a depth of 6 inches.
Rake the soil smooth.
Scatter the wild iris seed over the planting area so that there is roughly 1 inch between each seed.
Cover the seed with 1/4 to 1/2 inch of garden soil.
Water the seed bed with a gentle spray of water until the top 3 to 4 inches of the soil are moist.
Water the seedbed whenever the top 3 to 4 inches of the soil dry out. Stop watering once the ground freezes. Continue watering once the ground thaws in spring. The wild iris seeds will germinate within two to three weeks after the ground thaws.
Things You Will Need
- Hand or rototiller
- Aged compost
- Garden soil
- Wild iris prefers moist soil and full sun.
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