When to Plant Tomatillo in Bucks County, PA
May in the garden — Bucks County, Pennsylvania
Your garden in Bucks County, Pennsylvania is working on a schedule, even when you're not. Here's where you should be this May.
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Set out tomatillo seedlings
Water the tray well an hour before you transplant. Roots slide out cleanly and settle in faster.
Get ahead of June
- Starting indoors: tomatillo
Tomatillos are a Mexican staple that produces tart, green fruits enclosed in papery husks. They are essential for salsa verde and green sauces.
Bucks County, Pennsylvania is in USDA Zone 7a. The average last spring frost is April 18 and the first fall frost is October 25, giving you a growing season of approximately 190 days.
At an elevation of 958 feet, Bucks County receives approximately 42.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Tomatillo during the growing season.
Bucks County Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.6
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 Bucks County
How your county's soil matches Tomatillo's growing requirements.
Soil pH
Your soil pH (5.0–6.6) is more acidic than Tomatillo prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
The silt loam soil in Bucks County is excellent for Tomatillo — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (3.5%). Annual compost additions will help Tomatillo.
How to Plant Tomatillo
Succession Planting Tomatillo
Sow every 6.9 weeks. Last sowing by Aug 01 to harvest before frost.
Plant Water Budget
Monthly Watering Guide for Tomatillo
Tomatillo needs approximately 1.1 inches of water per week (4.8" per month). Here's how your county's rainfall compares month by month.
| Month | Tomatillo Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 3.1" | 0" | ❄️ Dormant |
| Feb | — | 2.8" | 0" | ❄️ Dormant |
| Mar | — | 3.8" | 0" | ❄️ Dormant |
| Apr | 4.8" | 3.3" | 1.5" | 💧 Light watering |
| May | 4.8" | 4.1" | 0.7" | 💧 Light watering |
| Jun | 4.8" | 3.5" | 1.3" | 💧 Light watering |
| Jul | 4.8" | 4.8" | 0" | ✅ Rainfall sufficient |
| Aug | 4.8" | 3.9" | 0.9" | 💧 Light watering |
| Sep | 4.8" | 4" | 0.8" | 💧 Light watering |
| Oct | 4.8" | 3" | 1.8" | 💧 Light watering |
| Nov | — | 2.8" | 0" | ❄️ Dormant |
| Dec | — | 3.6" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Bucks County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Tomatillo 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.
Tomatillo Planting Timeline — Bucks County, PA
Tomatillo Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 28 | Feb 28 – Mar 14 |
| Transplant Outdoors | May 2 | May 2 – May 16 |
| Direct Sow | April 25 | Apr 25 – May 16 |
| Harvest | July 4 | Jul 4 – Sep 12 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1.1"/week · Only during dry spells
📅 Days to Maturity
60–85 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 7a
📆 Growing Season
190 days in Bucks County
Growing Tips for Tomatillo in Bucks County
Direct sow Tomatillo outdoors after April 18 in Bucks County when soil has warmed and frost danger has passed.
Common pests for Tomatillo in this region include tomato hornworm and aphids. Use row covers early in the season and inspect plants weekly.
General growing tips
Start seeds indoors 6-8 weeks before last frost. Plant at least two plants for cross-pollination. Harvest when fruits fill the husk and it begins to split.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Tomatillo in Other Locations
Frequently Asked Questions
When should I plant Tomatillo in Bucks County, PA?
Bucks County is in Zone 7a with an average last frost of April 18. Plan your Tomatillo planting based on this frost date — see the calendar above for exact timing.
What planting zone is Bucks County, PA?
Bucks County, Pennsylvania is in USDA Hardiness Zone 7a. The average last spring frost is April 18 and first fall frost is October 25.
Your Bucks County Garden Planner — Free
A 24-page printable planner built for Bucks County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.