Purple Orchid Tree Seeds

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About & Species

Purple Orchid Tree
(Bauhinia purpurea)

The Purple Orchid tree grows 30-35 feet tall and wide. Also called the Orchid Tree, the Purple Orchid is a small to medium size fast growing tree. It is native to India and in the USA it grows in Hawaii, Coastal California, Southern Texas and Southwest Florida. It is a beautiful tree for landscapes, roadsides and providing shade during the hot summer. Its flowers are fragrant and showy with five inch wide blossoms that are purple, pink and lavender. The Purple Orchid tree flowers from September to November. It is beautiful sight to see the tree in full bloom.  

Soil Type: Prefers sandy, well-drained soils in full sun.

Zones: 9 to 11

Germination Range: 50-70%

Stratification Requirement: None required

Indoor Planting: If your seeds require stratification or scarification – do the recommended pretreatment before planting indoors. Planting Instructions: Fill a container with seed starting mix to about ½ inch from the top. Place your seeds 1 inch to 1 ½ inches below the soil surface. Gently water your seeds to keep moist, not soaking wet. Heat & humidity is critical for germination. Germination may occur in 1 week or as long as 3 months (depending on the species). Place the seed container on a heat mat under growing light(s). Keep your growing lights on 14 hours per day. Keep your heat mat on 24 hours per day. Once your seeds germinate, move each seed into its own container under the growing lights and on the heat mat. Keep your seedlings indoors for 2-3 months before transplanting outdoors in the spring (May to June).

Outdoor Planting: If your seeds do not require stratification: the best time to plant tree and shrub seeds outdoors is after the last frost in your area (spring). In the Northern states – the best time to plant seeds outdoors is from May to June. If your seeds require pretreatment: you should plant your seeds outdoors before the ground freezes in your area (late September to early November). Your seeds will naturally stratify during the cold winter. Germination usually occurs in May or during the spring season.