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Yucca brevifolia

Common name Joshua tree
Family asparagaceae
Life cycle perennial (Z6-10)
Flowers white (spring)
Size 15-30'
Light sun
Cultural notes well-drained soil

Best known for its prominence in the national monument named for the species in the Mojave Desert, the Joshua tree is a species of yucca that eventually reaches a tree-like form – but it takes a long time to get there, and when happy can comfortably outlive us humans. Our Gulf Coast Texas garden isn't nearly arid enough for it, but it will be interesting to see if I can keep our seed-grown plants alive for a while. I doubt our HOA would approve of a full-grown Joshua tree any way...

This plant used to grow in our garden, but it slipped away...

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Seed-starting details for this plant

  1. Seed from NARGS '20/'21 exchange. Baggy 70F (15%G, 2-8w)
  2. Same seed as above (stored cold). Baggy 70F (82%G, 8-13d)

Oddly, germination was much better and quicker the second year. Perhaps the year in dry cold storage satisfied some biochemical trigger requirement.

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