Brodiaea (Triteleia) has many other common names, such as wild hyacinth and triplet lily. It is a spring-blooming plant that is grown from an underground root structure called a corm. Brodiaea is usually planted in the fall in USDA hardiness zones 5 to 9; however, it can be planted in cooler zones in the spring, after the last frost.
Choose a location in full sun and improve the planting bed so it is suitable for growing brodiaea. Turn over your soil to a depth of 12 inches. Then, mix in several inches of humus (e.g, compost, peat) to make the planting bed rich in nutrients and well draining.
Dig holes or a trench that is deep enough so the top of the brodiaea corms are 5 inches beneath the soil.
Place the corms in individual holes or in a trench. Multiple brodiaea corms should be spaced 4 inches apart. The tips should be facing up, and the bottom, which may have some fleshy roots protruding from it, should be facing down. If you can’t tell which way is which, place the corms on their sides and they will adjust themselves.
Backfill the soil and pack it down with your hands so that the soil is firm and not filled with air pockets. Water well and cover with a couple inches of mulch if you live in USDA zones 5 to 6 and are planting your corms in the fall.
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