How to Sprout Trillium Seed

Trilliums are species of flowering plants that belong to the same botanical group. These perennials are native to North America and Asia where they grow in the wild, blooming in the spring. The family name, which means "three" in Latin, refers to the plants' habit of developing three leaves, three petals and three sepals, the leafy structure that holds the petals. The quickest way of propagating Trillium is from rhizomes, which are tuberous underground stems that produce roots and shoots.The seeds take up to two years to sprout and the resulting plants another five to seven years to bloom.

Seed-starter mix
Flat with drainage holes
Fine gravel
Shade cloth
Heavy-duty tape or string

Instructions

- 1
  Add commercial seed-starter mix to a flat.
- 2
  Sprinkle the seeds on the surface. Cover them with a ½-inch layer of starter mix. Broadcast 1/8 inch fine gravel on the surface.
- 3
  Irrigate the seeds at sowing and through the warm season to maintain soil moisture.
- 4
  Cover the flat with a piece of shade cloth. Secure it with heavy-duty tape or fasten it to the flat with string. Set the seeds outside. Do not place them in a greenhouse. The seeds sprout underground after the first winter, producing roots, a tiny rhizome, and the first set of leaves, an embryonic structure known as "cotyledon" that dies after the plant's true leaves begin to emerge. All those structures, including the foliage, remain underground. After the second winter, the cotyledon breaks through the surface. Following the third winter, trillium's first true leaves appear. The plant begins to look like its mature version after the fourth winter when the characteristic foliage in sets of three starts unfurling.

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