Rape (Brassica napus)

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Brassica Napus, or more commonly know as Rape, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with dark green foliage and yellow flowers of the genus Brassica. It has a rapid growth rate and a height of 4 feet at maturity. Its duration is annual which means it grows for one season only. It's active growth period is fall winter and spring, blooms during early spring, is intolerant of shade and is routinely available commercially. Brassica Napus or Rape's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, Alabama, Arkansas, California, Colorado, Connecticut, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Missouri, Mississippi, Montana, North Carolina, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, Tennessee, Virginia, Vermont, Washington and Wisconsin.

• Category: Dicot
• Genus: Brassica
• Family: Brassicaceae
• Order: Capparales
• Class: Magnoliopsida
• Division: Magnoliophyta
• Duration: Annual Biennial
• Growth Habit: Forb/herb
• Native Status: L48 (I) AK (I) CAN (I) GL (I)
• Active Growth Period: Fall Winter and Spring
• After Harvest Regrowth Rate: Slow
• Allelopath: No
• Bloat: None
• C:N Ratio: Low
• Coppice Potential: No
• Fall Conspicuous: Yes
• Fire Resistance: No
• Flower Color: Yellow
• Flower Conspicuous: Yes
• Foliage Color: Dark Green
• Foliage Porosity Summer: Dense
• Foliage Porosity Winter: Dense
• Foliage Texture: Coarse
• Fruit/Seed Color: Black
• Fruit/Seed Conspicuous: No
• Growth Form: Single Crown
• Growth Rate: Rapid
• Height Mature (feet): 4
• Leaf Retention: No
• Lifespan: Short
• Low Growing Grass: No
• Resprout Ability: No
• Shape and Orientation: Erect
• Toxicity: None
• Adapted to Coarse Textured Soils: No
• Adapted to Fine Textured Soils: Yes
• Adapted to Medium Textured Soils: Yes
• Anaerobic Tolerance: None
• CaCO3 Tolerance: None
• Cold Stratification Required: No
• Drought Tolerance: Low
• Fertility Requirement: Medium
• Fire Tolerance: None
• Frost Free Days Minimum: 130
• Hedge Tolerance: None
• Moisture Use: Medium
• pH (Minimum): 6
• pH (Maximum): 7.2
• Precipitation (Minimum): 40
• Precipitation (Maximum): 80
• Root Depth Minimum (inches): 6
• Salinity Tolerance: None
• Shade Tolerance: Intolerant
• Temperature Minimum (°F): 17
• Bloom Period: Early Spring
• Commercial Availability: Contracting Only
• Fruit/Seed Abundance: High
• Fruit/Seed Period Begin: Summer
• Fruit/Seed Period End: Summer
• Fruit/Seed Persistence: No
• Propagated by Bare Root: No
• Propagated by Bulbs: No
• Propagated by Container: No
• Propagated by Corms: No
• Propagated by Cuttings: No
• Propagated by Seed: Yes
• Propagated by Sod: No
• Propagated by Sprigs: No
• Propagated by Tubers: No
• Seed per Pound: 156960
• Seed Spread Rate: Moderate
• Seedling Vigor: High
• Small Grain: No
• Vegetative Spread Rate: None

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