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When to Plant Mitsuba in Santa Rosa County, FL

Mitsuba (Japanese parsley) is a shade-loving herb with trefoil leaves and a mild celery-parsley flavor. It is essential in Japanese cuisine for soups, salads, and garnishes.

Santa Rosa County, Florida is in USDA Zone 8b. The average last spring frost is March 6 and the first fall frost is November 21, giving you a growing season of approximately 260 days.

At an elevation of 104 feet, Santa Rosa County receives approximately 55 inches of rainfall annually with predominantly sand soil. Summer highs average 91Β°F, providing good warmth for Mitsuba during the growing season. Sandy soil warms quickly in spring β€” great for early planting β€” but Mitsuba will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mitsuba root diseases.

Santa Rosa County, FL (Zone 8b) Long season
260 days
Last Spring Frost March 6
260 growing days
First Fall Frost November 21

Santa Rosa County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.8

Drainage

Well Drained

Monthly Watering Guide for Mitsuba

Mitsuba needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Mitsuba Needs Rainfall You Supplement Action
Jan β€” 2.9" 0" ❄️ Dormant
Feb β€” 3" 0" ❄️ Dormant
Mar 4.3" 3.1" 1.2" πŸ’§ Light watering
Apr 4.3" 2.3" 2" πŸ’§ Light watering
May 4.3" 3.2" 1.1" πŸ’§ Light watering
Jun 4.3" 7.5" 0" βœ… Rainfall sufficient
Jul 4.3" 7.9" 0" βœ… Rainfall sufficient
Aug 4.3" 8.6" 0" βœ… Rainfall sufficient
Sep 4.3" 7.9" 0" βœ… Rainfall sufficient
Oct 4.3" 4.4" 0" βœ… Rainfall sufficient
Nov 4.3" 2" 2.3" 🚿 Regular watering
Dec β€” 2.3" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Santa Rosa County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Mitsuba Planting Timeline β€” Santa Rosa County, FL

Mitsuba Planting Calendar

Activity When Date Range
Start Indoors January 30 Jan 30 – Feb 13
Transplant Outdoors February 27 Feb 27 – Mar 13
Direct Sow February 20 Feb 20 – Mar 13
Harvest April 24 Apr 24 – Jun 19
Fall Sowing September 12 Sep 12 – Sep 26

Plant 0.5" deep Β· 8" apart Β· Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors Transplant Outdoors Direct Sow
March Transplant Outdoors Direct Sow
April Harvest
May Harvest
June Harvest
July β€”
August β€”
September Fall Sowing
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

50–70 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8b

πŸ“† Growing Season

260 days in Santa Rosa County

Growing Tips for Santa Rosa County

Direct sow or start indoors in partial shade. Mitsuba prefers cool, moist conditions. Harvest outer stems as needed. Self-sows readily in shaded garden areas.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mitsuba in Santa Rosa County, FL?

Santa Rosa County is in Zone 8b with an average last frost of March 6. Plan your Mitsuba planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Santa Rosa County, FL?

Santa Rosa County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is March 6 and first fall frost is November 21.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Santa Rosa County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Santa Rosa County, FL. Local conditions may vary. Last updated: April 2026.