When to Plant Mustard in Bronxville, New York (10708)

Location

Bronxville, New York

ZIP Code

10708

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Sunday, February 22, 2026

Based on last frost Sunday, April 5, 2026 · Zone 7b

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

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🌿 Plant Details

Scientific Name Brassica juncea

Days to Maturity 56 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Mustard in Bronxville?

Get your seeds now so they're ready by Sunday, February 22, 2026.

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🤝 Good Companions

CabbageCauliflowerRadishBrussel SproutTurnip

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Full Companion Planting Guide for Mustard

See which plants help Mustard 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

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest seed pods just as they turn tan — before they shatter and seeds drop.

Processing

Cut stalks into a bag, thresh to release seeds from pods, winnow lightly.

Seed Viability

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

Pro Tip

Mustard crosses freely within the Brassica family — isolate by 300 feet from other mustard varieties.

Frequently Asked Questions

When should I plant Mustard in Bronxville, New York? +

In Bronxville (Zone 7b), direct sow Mustard outdoors around Sunday, February 22, 2026.

What is the last frost date for Bronxville, New York? +

The average last spring frost date for Bronxville, New York (ZIP 10708) is around Sunday, April 5, 2026. This is based on NOAA climate normals for USDA Zone 7b.

How long does Mustard take to grow? +

Mustard typically matures in about 56 days from direct sowing. In Bronxville, that means you can expect harvest around Sunday, February 22, 2026 plus 56 days.

Should I start Mustard indoors or direct sow in New York? +

Mustard does best when direct sown outdoors. In Bronxville, sow directly around Sunday, February 22, 2026.

📚 More Mustard Planting Guides

🗺️

Mustard in New York

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7b Mustard Guide

All cities in your zone · Avg dates

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Growing Mustard in Zone 7b

Mustard (Brassica juncea) is a popular garden vegetable. In Bronxville, New York, which is in USDA Hardiness Zone 7b, you should direct sow seeds around Sunday, February 22, 2026.

Your average last frost date is Sunday, April 5, 2026. Mustard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.