When to Plant Mitsuba in Piscataquis County, ME
Top priorities for Piscataquis County, Maine gardeners in May
Your Piscataquis County, Maine garden is entering a new phase. Here's what's on the schedule for May and why each task matters now.
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Move mitsuba into the garden
Pinch off the lowest leaves on each seedling before you plant — it reduces water loss while the roots catch up.
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Direct-sow mitsuba
Thin ruthlessly once seedlings are up. Crowded roots mean smaller crops from every plant.
Looking ahead to June
- Starting indoors: mitsuba
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.
Piscataquis County, Maine is in USDA Zone 5a. The average last spring frost is May 19 and the first fall frost is September 28, giving you a growing season of approximately 132 days.
At an elevation of 727 feet, Piscataquis County receives approximately 49.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 78°F, so choose short-season varieties of Mitsuba to ensure they mature before fall.
Piscataquis County Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.5
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 Piscataquis County
How your county's soil matches Mitsuba's growing requirements.
Soil pH
Your soil pH (5.0–6.5) is more acidic than Mitsuba prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
The silt loam soil in Piscataquis County is excellent for Mitsuba — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (3.3%). Annual compost additions will help Mitsuba.
How to Plant Mitsuba
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Mitsuba
Sow every 5.7 weeks. Last sowing by Jul 20 to harvest before frost.
For a dedicated fall crop, sow by Jul 20.
Plant Water Budget
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 | — | 3.5" | 0" | ❄️ Dormant |
| Feb | — | 3.6" | 0" | ❄️ Dormant |
| Mar | — | 4.5" | 0" | ❄️ Dormant |
| Apr | — | 4.4" | 0" | ❄️ Dormant |
| May | 4.3" | 4.8" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 5" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Sep | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Oct | — | 3.8" | 0" | ❄️ Dormant |
| Nov | — | 3.2" | 0" | ❄️ Dormant |
| Dec | — | 3.2" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Sep in Piscataquis County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Mitsuba Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Mitsuba Planting Timeline — Piscataquis County, ME
Mitsuba Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 14 | Apr 14 – Apr 28 |
| Transplant Outdoors | May 12 | May 12 – May 26 |
| Direct Sow | May 5 | May 5 – May 26 |
| Harvest | July 7 | Jul 7 – Sep 1 |
| Fall Sowing | July 20 | Jul 20 – Aug 3 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | Fall Sowing Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
1"/week · Natural rainfall sufficient
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 5a
📆 Growing Season
132 days in Piscataquis County
Growing Tips for Mitsuba in Piscataquis County
Direct sow Mitsuba outdoors after May 19 in Piscataquis County when soil has warmed and frost danger has passed.
Common pests for Mitsuba in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.
General growing tips
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 →
Mitsuba in Other Locations
Frequently Asked Questions
When should I plant Mitsuba in Piscataquis County, ME?
Piscataquis County is in Zone 5a with an average last frost of May 19. Plan your Mitsuba planting based on this frost date — see the calendar above for exact timing.
What planting zone is Piscataquis County, ME?
Piscataquis County, Maine is in USDA Hardiness Zone 5a. The average last spring frost is May 19 and first fall frost is September 28.
Your Piscataquis County Garden Planner — Free
A 24-page printable planner built for Piscataquis County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.