Twin Oaks Valley Greenhouses
$1.99–$3.75Distance unavailable · 2245 North Twin Oaks Valley Road, San Marcos, CA 92069
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trefle.io · Taken Nov 20, 2017 by Creu Lopez (cc-by-sa)
Brassicaceae
Colbaga
Brassica rapa
Also known as Brassica asperifolia var. oleifera, Brassica rapa var. chloroplax, Raphanus amplexicaulis, Brassica chinensis f. aichi
Zones 4–9Sun Full SunWater ModerateCare Low
Edibles & Herbs · Native Plants · Brassica · Turnip · Cool-Season · Vegetable · Fast Growing · Crop · Edible Root · Mustard Family · Garden · Oilseed
Pet-safeBeginner-friendlyCulinaryAttracts pollinators
In stock at 1 nurseryStock updated 9/6/2026
Brassica rapa (Colbaga/Turnip) is a fast-growing cool-season vegetable and oilseed crop that performs best in fertile, moist, well-drained soil with full sun to partial shade. Regular watering during dry periods encourages vigorous leafy and root growth. It is best grown in spring or autumn to avoid bolting in summer heat.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water thoroughly and allow the top inch of soil to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5–8
- Temperature
- -30°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-9b
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Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 12 in
- Spacing
- 12 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- No
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Alaska, Albania, Alberta, Aleutian Is., Algeria, Altay, Amur, Andaman Is., Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Azores, Baleares, Baltic States, Bangladesh, Belarus
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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