Edible plant · Growing guide

Turnip

Brassica rapa subsp. rapa · Brassica family

Turnip is a rosette edible plant grown for root crop, leafy green, and succession. Use this guide to match its light, water, soil, space, seasonal care, and safety needs.

Botanical field illustration of Turnip
Identity-specific botanical field illustration
Reliable light
Full sun
Water pattern
Moderate
Mature size
18 × 10 in
Final spacing
5 in
Season
cool

Plant identity, types & settings

One plant guide. Clear details underneath.

Turnip is the plant identity. Container, landscape, cutting, indoor, hydroponic, and harvest labels describe ways to grow it; they are not additional plant or cultivar names.

Ways to grow it

These are garden or production settings—not cultivar names and not extra plants.

Growing context

Compact Container

Use seed described for containers and do not undersize the root volume.

Mature size
27 × 21 in
Spacing
16 in
Container
4+ gal · 16+ in deep
Use this setup in the planner →
Growing context

Intensive Raised Bed

Use close spacing only with strong fertility, airflow, and harvest access.

Mature size
35 × 25 in
Spacing
21 in
Container
5+ gal · 16+ in deep
Use this setup in the planner →
Growing context

Protected Culture

Provide pollination, ventilation, and support appropriate to the exact crop.

Mature size
41 × 25 in
Spacing
22 in
Container
5+ gal · 16+ in deep
Use this setup in the planner →
Growing context

Standard Garden Bed

Plan from mature canopy and root dimensions.

Mature size
38 × 28 in
Spacing
28 in
Container
5+ gal · 16+ in deep
Use this setup in the planner →

01 · Light & site

Give it the light its growth depends on.

Full sun, with roughly 6 to 8 hours of useful light. Cool spring or fall conditions

02 · Water & soil

Keep roots supplied without trapping water.

Water the complete root zone, then recheck conditions before watering again.

Soil
Loose, organic garden soil
Drainage
Well drained
pH
Species-dependent, commonly mildly acidic to neutral

03 · Spacing & roots

Make room for the mature plant.

Space plants about 5 inches apart. Expect a mature plant around 18 inches tall by 10 inches wide.

A branching root system needs the stated depth plus aerated soil around the mature spread.

04 · Start

Begin with the method that protects establishment.

Direct sow or transplant according to crop-specific temperature and root-disturbance guidance.

05 · Care

Support healthy growth through the season.

Usually self-supporting at the stated mature size. Add a discreet stake only if wind, bloom weight, or an exposed site makes it necessary.

Upkeep
Moderate
Feeding
Moderate
Watch for
Flea beetles, Root maggots, Bolting

06 · Flower or harvest

Harvest and maturity

35 to 60 days. Use the seed packet or plant label for cultivar-specific timing and harvest cues, then adjust for temperature, light, and the stage you intend to pick.

07 · Safety

Know the cautions before you place or use it.

  • Confirm cultivar, regional timing, and toxicity or food-use details with local extension guidance.
  • Keep unknown plant parts away from children and pets.

08 · Sources

Check the evidence behind the guide.

University of Minnesota Extension: Planting the vegetable gardenSeason, spacing, garden layout, and crop establishment frameworkOpen source ↗University of Minnesota Extension: Companion planting in home gardensEvidence-aware interplanting, succession, biodiversity, and trap-crop contextOpen source ↗USDA National Institute of Food and Agriculture: Cooperative ExtensionNational extension framework and local verification pathwayOpen source ↗

Guide record: July 20, 2026. Region, cultivar, regulations, and current product labels can change the right decision.

Working checklist

Turnip planting check