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When to Plant Patty Pan Squash in Grant County, NM

Grant County, New Mexico Zone 7b May

May to-do list for Grant County, New Mexico

We've pulled the most time-sensitive tasks for Grant County, New Mexico this May and put them front and centre. Tackle them in order.

Avg. last frost April 27
Avg. first frost October 22
Soil temp (4") 58°F
Watering Critical
Pest pressure Moderate
Daylight 13.7 hrs
  1. Move patty pan squash into the garden

    Frost risk is low now in Grant County, New Mexico. If you've been covering beds overnight, you can stop.

  2. Scatter patty pan squash into prepared beds

    Your soil is 58°F — warm enough for these to germinate without babying.

  3. Get patty pan squash seeds going inside

    You're about 24 weeks out from your last frost — the perfect window to get these germinating indoors.

Coming up in June — start thinking about
  • First harvests: patty pan squash

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Patty pan squash is a summer squash with a distinctive flying-saucer shape and scalloped edges. It comes in white, yellow, and green varieties with a mild, nutty flavor.

Grant County, New Mexico is in USDA Zone 7b. The average last spring frost is April 27 and the first fall frost is October 22, giving you a growing season of approximately 178 days.

At an elevation of 3,721 feet, Grant County receives approximately 15.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Patty Pan Squash during the growing season. Sandy soil warms quickly in spring — great for early planting — but Patty Pan Squash will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Patty Pan Squash successfully. Mulch heavily to conserve soil moisture.

Grant County, NM (Zone 7b) Moderate season
178 days
Last Spring Frost April 27
178 growing days
First Fall Frost October 22
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Grant County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.9-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (90 days to spare)
Start indoors: Mar 20 Transplant: May 1 🍅 Harvest: Jun 19 – Jul 17
Recommended (50%) ✓ Fits season (87 days to spare)
Start indoors: Mar 30 Transplant: May 11 🍅 Harvest: Jun 29 – Jul 27
Safe Start (90%) ✓ Fits season (78 days to spare)
Start indoors: Apr 24 Transplant: Jun 5 🍅 Harvest: Jul 24 – Aug 21

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 Grant County

How your county's soil matches Patty Pan Squash's growing requirements.

Soil pH

Your soil pH (6.9–8.2) is more alkaline than Patty Pan Squash prefers (6.0–7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Grant County warms quickly in spring but drains fast. Patty Pan Squash will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Patty Pan Squash.

Organic Matter

Organic matter is low (0.8%). Add 2-3 inches of compost before planting Patty Pan Squash.

How to Plant Patty Pan Squash

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Patty Pan Squash

4
successive plantings in your 178-day season

Sow every 5.1 weeks. Last sowing by Aug 23 to harvest before frost.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.4″/week
You supply
1.1″/week
Watering frequency 2-3 times/week
Season total 1,763 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Patty Pan Squash

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

Month Patty Pan Squash Needs Rainfall You Supplement Action
Jan 1" 0" ❄️ Dormant
Feb 0.9" 0" ❄️ Dormant
Mar 0.8" 0" ❄️ Dormant
Apr 4.3" 0.5" 3.8" 🚿 Regular watering
May 4.3" 0.3" 4" 🚿 Regular watering
Jun 4.3" 0.6" 3.7" 🚿 Regular watering
Jul 4.3" 2.8" 1.5" 💧 Light watering
Aug 4.3" 2.8" 1.5" 💧 Light watering
Sep 4.3" 2.4" 1.9" 💧 Light watering
Oct 4.3" 1.6" 2.7" 🚿 Regular watering
Nov 0.9" 0" ❄️ Dormant
Dec 1.1" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Grant County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Patty Pan Squash 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.

Patty Pan Squash needs ~998 GDD — county provides 3,382 GDD Excellent fit

Patty Pan Squash Planting Timeline — Grant County, NM

Patty Pan Squash Planting Calendar

Activity When Date Range
Start Indoors March 30 Mar 30 – Apr 13
Transplant Outdoors May 11 May 11 – May 25
Direct Sow May 4 May 4 – May 25
Harvest June 29 Jun 29 – Jul 27

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August
September
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 2-3 times/week

📅 Days to Maturity

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 7b

📆 Growing Season

178 days in Grant County

Growing Tips for Patty Pan Squash in Grant County

Direct sow Patty Pan Squash outdoors after April 27 in Grant County when soil has warmed and frost danger has passed.

Sandy soil in Grant County dries quickly — mulch Patty Pan Squash with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Your generous 178.0-day season in Grant County allows multiple plantings of Patty Pan Squash. Sow every 22.0 days for continuous harvest.

Common pests for Patty Pan Squash in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

Grant County receives only 16" of rain annually. Patty Pan Squash needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Direct sow after last frost. Harvest when 2-4 inches across for best texture and flavor. Larger fruits become seedy and tough. Very prolific producers in warm weather.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Patty Pan Squash in Grant County, NM?

Grant County is in Zone 7b with an average last frost of April 27. Plan your Patty Pan Squash planting based on this frost date — see the calendar above for exact timing.

What planting zone is Grant County, NM?

Grant County, New Mexico is in USDA Hardiness Zone 7b. The average last spring frost is April 27 and first fall frost is October 22.

🌱

Your Grant County Garden Planner — Free

A 24-page printable planner built for Grant County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Grant County, NM. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.