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Purple Bushbean (Macroptilium atropurpureum)

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Macroptilium Atropurpureum, or more commonly know as Purple Bushbean, is a vine forb/herb with dark green foliage and purple flowers of the genus Macroptilium. It has a moderate growth rate and a height of 4 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during indeterminate and is somewhat tolerant of shade. Macroptilium Atropurpureum or Purple Bushbean's floral region is North America US Lower 48, Hawaii and Puerto Rico, specifically in the states of Arizona, Florida, Hawaii and Texas.

  • Category: Dicot
  • Genus: Macroptilium
  • Family: Fabaceae
  • Order: Fabales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Vine Forb/herb
  • Native Status: L48 (N) HI (I) PR (N)
  • Active Growth Period: Spring and Summer
  • After Harvest Regrowth Rate: Moderate
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: Medium
  • Coppice Potential: No
  • Fall Conspicuous: Yes
  • Fire Resistance: No
  • Flower Color: Purple
  • Flower Conspicuous: Yes
  • Foliage Color: Dark Green
  • Foliage Porosity Summer: Dense
  • Foliage Porosity Winter: Moderate
  • Foliage Texture: Fine
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: Yes
  • Growth Form: Thicket Forming
  • Growth Rate: Moderate
  • Height Mature (feet): 4
  • Leaf Retention: Yes
  • Lifespan: Short
  • Low Growing Grass: No
  • Nitrogen Fixation: Medium
  • Resprout Ability: No
  • Shape and Orientation: Climbing
  • Toxicity: None
  • Adapted to Coarse Textured Soils: Yes
  • Adapted to Fine Textured Soils: Yes
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: Medium
  • CaCO3 Tolerance: Medium
  • Cold Stratification Required: No
  • Drought Tolerance: Medium
  • Fertility Requirement: Medium
  • Fire Tolerance: None
  • Frost Free Days Minimum: 365
  • Hedge Tolerance: Low
  • Moisture Use: Low
  • pH (Minimum): 5
  • pH (Maximum): 7
  • Planting Density per Acre Minimum: 1200
  • Planting Density per Acre Maximum: 1700
  • Precipitation (Minimum): 30
  • Precipitation (Maximum): 80
  • Root Depth Minimum (inches): 24
  • Salinity Tolerance: Medium
  • Shade Tolerance: Intermediate
  • Temperature Minimum (°F): 17
  • Bloom Period: Indeterminate
  • Commercial Availability: Routinely Available
  • Fruit/Seed Abundance: Low
  • Fruit/Seed Period Begin: Year Round
  • Fruit/Seed Period End: Year Round
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: No
  • Propagated by Bulbs: No
  • Propagated by Container: Yes
  • Propagated by Corms: No
  • Propagated by Cuttings: Yes
  • Propagated by Seed: No
  • Propagated by Sod: No
  • Propagated by Sprigs: No
  • Propagated by Tubers: No
  • Seed Spread Rate: Moderate
  • Seedling Vigor: High
  • Small Grain: No
  • Vegetative Spread Rate: Slow





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