fruit vegetable

Broccoli Raab

Brassica rapa 'Ruvo'

The Story

Plant Bio

Brassica rapa is a highly diverse species of herbaceous plants native to Europe and the Mediterranean, encompassing many common cool-season agricultural crops. The species forms a basal rosette of lobed or wavy-edged green leaves before producing terminal clusters of small, four-petaled yellow flowers.

'Ruvo' is a fast-growing cultivar group grown primarily for its edible, peppery stems, leaves, and immature flower buds. It develops loose, broccoli-like bud clusters rather than a single dense head, maturing in just 40 to 50 days.

Uses & Benefits:

Ornamental UsesProvides attractive, bright lime-green foliage in neat basal rosettes, followed by cheerful yellow flowers if allowed to bolt.
Practical UsesYields a fast-growing, highly nutritious edible crop of peppery stems, leaves, and buds in just a few weeks.
Ecological BenefitsAttracts generalist pollinators, including bees and beneficial predatory insects, when allowed to flower in late spring or autumn.

Essentials

At a Glance

Plant Type

Fruit Vegetable

Height

30"

Width

18"

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9, 10

Water

Regular

Humidity

Moderate

Lifespan

Annual

Native To

Europe, Mediterranean

Toxicity

Toxic to livestock

Bloom period

Spring – Autumn

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 9 months of the year

Planting

How to Grow

  1. Sow seeds directly into fertile, well-drained soil in early spring or late summer, spacing them 1 to 2 inches apart and 1/4 inch deep.
  2. Thin seedlings to a final spacing of 6 to 12 inches once they develop their first set of true leaves.
  3. Maintain consistent soil moisture with regular watering to prevent the plants from becoming stressed, which triggers premature bolting and bitter flavors.
  4. Apply a balanced organic fertilizer prior to planting based on soil test recommendations to support rapid leaf development.

Pro Tip

Harvest the central shoot just as the first flower buds begin to swell but before they open; this prompt cutting stimulates the development of multiple tender side shoots for a continuous harvest.

Keep It Thriving

Care Guide

Do

  • Keep the soil consistently moist to ensure tender growth and mild flavor.
  • Use floating row covers immediately after planting to protect young crops from flea beetles and caterpillars.
  • Harvest the stems and leaves regularly to encourage continuous side-shoot production.

Don't

  • Do not allow the soil to dry out completely, as water stress triggers immediate flowering and ruins the crop's flavor.
  • Do not plant in waterlogged or poorly drained soils where root rot can quickly destroy the root system.
  • Do not let the flower buds fully open before harvesting, as the stems become tough and woody.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Harvest
Pest Check
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Edible GardenKitchen GardenRaised BedsContainer Gardening

Multiply

Propagation Methods

Good to Know

Common Questions

Broccoli Raab questions

What zones can Broccoli Raab grow in?

Broccoli Raab is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Broccoli Raab deer resistant?

Not reliably. Deer may browse Broccoli Raab, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Broccoli Raab bloom?

Broccoli Raab typically blooms in spring through autumn. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Broccoli Raab need full sun?

Broccoli Raab does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Broccoli Raab with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.