When to Plant Mizuna in Orange County, TX
Mizuna is a mild-flavored Japanese mustard green with feathery, deeply serrated leaves. It is fast-growing and makes an excellent addition to salads and stir-fries.
Orange County, Texas is in USDA Zone 9a. The average last spring frost is February 12 and the first fall frost is December 11, giving you a growing season of approximately 302 days.
At an elevation of 231 feet, Orange County receives approximately 63.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98°F, so Mizuna may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Mizuna will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mizuna root diseases.
Orange County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.8-6.5
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Soil Compatibility in Orange County
How your county's soil matches Mizuna's growing requirements.
Soil pH
Your soil pH (5.8–6.5) overlaps with Mizuna's range (6.0–7.5), though not a perfect match.
Soil Texture
Sandy soil in Orange County warms quickly in spring but drains fast. Mizuna will need more frequent watering and regular compost additions to retain nutrients.
Organic Matter
Organic matter is moderate (2.2%). Annual compost additions will help Mizuna.
How to Plant Mizuna
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Mizuna
Sow every 3.4 weeks. Last sowing by Oct 27 to harvest before frost.
For a dedicated fall crop, sow by Oct 16.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Mizuna Planting Timeline — Orange County, TX
Mizuna Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 15 | Jan 15 – Jan 29 |
| Transplant Outdoors | February 12 | Feb 12 – Feb 26 |
| Direct Sow | January 22 | Jan 22 – Feb 12 |
| Fall Sowing | October 16 | Oct 16 – Oct 30 |
| Harvest | March 19 | Mar 19 – Apr 16 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | Harvest |
| April | Harvest |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
1"/week · Only during dry spells
📅 Days to Maturity
30–45 days
🧪 Soil pH
Needs 6–7.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 9a
📆 Growing Season
302 days in Orange County
Growing Tips for Mizuna in Orange County
Direct sow Mizuna outdoors after February 12 in Orange County when soil has warmed and frost danger has passed.
Sandy soil in Orange County dries quickly — mulch Mizuna with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
With summer highs reaching 98°F in Orange County, provide afternoon shade for Mizuna and water deeply in the morning.
Your generous 303.0-day season in Orange County allows multiple plantings of Mizuna. Sow every 15.0 days for continuous harvest.
Common pests for Mizuna in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.
General growing tips
Direct sow in spring or fall. Harvest outer leaves as needed for a cut-and-come-again approach. Mizuna is one of the most cold-tolerant Asian greens.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Mizuna in Other Locations
Frequently Asked Questions
When should I plant Mizuna in Orange County, TX?
Orange County is in Zone 9a with an average last frost of February 12. Plan your Mizuna planting based on this frost date — see the calendar above for exact timing.
What planting zone is Orange County, TX?
Orange County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 12 and first fall frost is December 11.
Plan Your Garden with Confidence
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