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When to Plant Bok Choy in Midfield, Texas (77458)

Location

Midfield, Texas

ZIP Code

77458

USDA Zone

9b

Last Frost

Tuesday, February 10, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Tuesday, January 13, 2026

Based on last frost Tuesday, February 10, 2026 · Zone 9b

Pro tip: Sow Bok Choy directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. chinensis
Days to Maturity 45 days
Mature Height 12-18"
Spread 12"
Type Leaf
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (consistent moisture)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Bok Choy in Midfield?

Get your seeds now so they're ready by Tuesday, January 13, 2026.

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🤝 Good Companions

BeetCeleryDillOnion

⚠️ Avoid Planting Near

StrawberryTomato
🤝

Full Companion Planting Guide for Bok Choy

See which plants help Bok Choy thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟡 Moderate
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow plants to bolt and seed pods to dry on the stalk before harvesting.

Processing

Thresh dried stalks, winnow to separate seeds.

Seed Viability

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

Pro Tip

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

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Bok Choy in Midfield, Texas? +

In Midfield (Zone 9b), direct sow Bok Choy outdoors around Tuesday, January 13, 2026.

What is the last frost date for Midfield, Texas? +

The average last spring frost date for Midfield, Texas (ZIP 77458) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.

How long does Bok Choy take to grow? +

Bok Choy typically matures in about 45 days from direct sowing. In Midfield, that means you can expect harvest around Tuesday, January 13, 2026 plus 45 days.

Should I start Bok Choy indoors or direct sow in Texas? +

Bok Choy does best when direct sown outdoors. In Midfield, sow directly around Tuesday, January 13, 2026.

Other Plants for Midfield

Growing Bok Choy in Zone 9b

Bok Choy (Brassica rapa subsp. chinensis) is a popular garden vegetable. In Midfield, Texas, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, January 13, 2026.

Your average last frost date is Tuesday, February 10, 2026. Bok Choy grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.