Planting & Removing Laxa Brodiaea - Knowledgebase Question

Alexandria Bay, NY
Question by crazy6
May 17, 2001
We live in Zone 4. My wife planted Laxa Brodiaea (Queen Fabiola) bulbs on May 15th. Do we, in this zone, need to remove the bulbs in the fall or can they be left in the ground. If we have to remove them or want to relocate them, when do we replant the bulbs. Also do these bulbs multiply and have to be split apart and replanted?


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Answer from NGA
May 17, 2001

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Brodiaea laxa (Tritelia)may possibly be hardy as far north as zones 5 and 6 but only with a heavy winter mulch, so it is doubtful that it would survive your zone 4 winter. These plants are difficult to grow on an ongoing basis in your climate because they need a warm period (about 65 degrees), then a cool period (28 to 40 degrees), then a warm period again each year in order to grow and flower normally each spring. They are typically planted in the fall where grown year round. You may be able to simulate the required temperatures by lifting the bulbs in late summer and potting them up, then chilling the pot. It does reproduce by cormlets and seed when well grown, so it would need to be divided periodically when crowded.

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