When to Plant Broccoli Raab in Trenton, New Jersey (08607)

Location

Trenton, New Jersey

ZIP Code

08607

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, February 27, 2026

Based on last frost Friday, April 10, 2026 · Zone 7a

Pro tip: Sow Broccoli Raab directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. rapa

Days to Maturity 60 days

Mature Height 12-24"

Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Broccoli Raab in Trenton?

Get your seeds now so they're ready by Friday, February 27, 2026.

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🤝 Good Companions

OnionBeetCelery

⚠️ Avoid Planting Near

TomatoPepperStrawberry

🤝

Full Companion Planting Guide for Broccoli Raab

See which plants help Broccoli Raab thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow plants to flower fully and seed pods to turn tan and dry.

Processing

Thresh dried stalks, winnow to separate seeds from pod fragments.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Brassica rapa — crosses with turnip, bok choy, and napa cabbage. Isolate by 300 feet.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 4 per sq ft of Broccoli Raab. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Broccoli Raab in Trenton, New Jersey? +

In Trenton (Zone 7a), direct sow Broccoli Raab outdoors around Friday, February 27, 2026.

What is the last frost date for Trenton, New Jersey? +

The average last spring frost date for Trenton, New Jersey (ZIP 08607) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.

How long does Broccoli Raab take to grow? +

Broccoli Raab typically matures in about 60 days from direct sowing. In Trenton, that means you can expect harvest around Friday, February 27, 2026 plus 60 days.

Should I start Broccoli Raab indoors or direct sow in New Jersey? +

Broccoli Raab does best when direct sown outdoors. In Trenton, sow directly around Friday, February 27, 2026.

📚 More Broccoli Raab Planting Guides

🗺️

Broccoli Raab in New Jersey

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7a Broccoli Raab Guide

All cities in your zone · Avg dates

→

Other Plants for Trenton

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Growing Broccoli Raab in Zone 7a

Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Trenton, New Jersey, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, February 27, 2026.

Your average last frost date is Friday, April 10, 2026. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.