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When to Plant Malabar Spinach in Sussex County, DE

Sussex County, Delaware Zone 7b May

May in the garden — Sussex County, Delaware

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

Avg. last frost April 3
Avg. first frost November 7
Soil temp (4") 68°F
Watering Low
Pest pressure Moderate
Daylight 14.1 hrs
  1. Fire up the seed-starting tray: malabar spinach

    Label every cell. You will absolutely forget which is which otherwise.

Get ahead of June
  • First harvests: malabar spinach

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Malabar spinach is a tropical vine with thick, succulent leaves that taste similar to spinach. Unlike true spinach, it thrives in heat and humidity.

Sussex County, Delaware is in USDA Zone 7b. The average last spring frost is April 3 and the first fall frost is November 7, giving you a growing season of approximately 218 days.

At an elevation of 1,090 feet, Sussex County receives approximately 46 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Malabar Spinach during the growing season.

Sussex County, DE (Zone 7b) Long season
218 days
Last Spring Frost April 3
218 growing days
First Fall Frost November 7
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Sussex County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (122 days to spare)
Start indoors: Feb 6 Transplant: Apr 10 🍅 Harvest: Jun 5 – Jul 3
Recommended (50%) ✓ Fits season (120 days to spare)
Start indoors: Feb 13 Transplant: Apr 17 🍅 Harvest: Jun 12 – Jul 10
Safe Start (90%) ✓ Fits season (112 days to spare)
Start indoors: Mar 4 Transplant: May 6 🍅 Harvest: Jul 1 – Jul 29

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 Sussex County

How your county's soil matches Malabar Spinach's growing requirements.

Soil pH

Your soil pH (5.6–6.5) overlaps with Malabar Spinach's range (6.0–7.5), though not a perfect match.

Soil Texture

The silt loam soil in Sussex County is excellent for Malabar Spinach — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.8%). Annual compost additions will help Malabar Spinach.

How to Plant Malabar Spinach

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Succession Planting Malabar Spinach

4
successive plantings in your 218-day season

Sow every 6.3 weeks. Last sowing by Aug 29 to harvest before frost.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.9″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,191 gal / 100 sq ft

Monthly Watering Guide for Malabar Spinach

Malabar Spinach needs approximately 1.5 inches of water per week (6.5" per month). Here's how your county's rainfall compares month by month.

Month Malabar Spinach Needs Rainfall You Supplement Action
Jan 3.5" 0" ❄️ Dormant
Feb 3.5" 0" ❄️ Dormant
Mar 3.9" 0" ❄️ Dormant
Apr 6.5" 3.7" 2.8" 💧 Light watering
May 6.5" 4.5" 2" 💧 Light watering
Jun 6.5" 3.7" 2.8" 💧 Light watering
Jul 6.5" 5.3" 1.2" 💧 Light watering
Aug 6.5" 4.1" 2.4" 💧 Light watering
Sep 6.5" 3.9" 2.6" 💧 Light watering
Oct 6.5" 3.4" 3.1" 💧 Light watering
Nov 6.5" 3.2" 3.3" 🚿 Regular watering
Dec 3.3" 0" ❄️ Dormant

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

Malabar Spinach 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.

Malabar Spinach needs ~1,000 GDD — county provides 3,488 GDD Excellent fit

Malabar Spinach Planting Timeline — Sussex County, DE

Malabar Spinach Planting Calendar

Activity When Date Range
Start Indoors February 13 Feb 13 – Feb 27
Transplant Outdoors April 17 Apr 17 – May 1
Direct Sow April 10 Apr 10 – May 1
Harvest June 12 Jun 12 – Jul 10

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March
April Transplant Outdoors Direct Sow
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

1.5"/week · 1-2 times/week

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 7b

📆 Growing Season

218 days in Sussex County

Growing Tips for Malabar Spinach in Sussex County

Direct sow Malabar Spinach outdoors after April 03 in Sussex County when soil has warmed and frost danger has passed.

General growing tips

Direct sow after last frost or start indoors. Provide a trellis for the vigorous vines. Harvest young leaves regularly; older leaves become mucilaginous when cooked.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Malabar Spinach in Sussex County, DE?

Sussex County is in Zone 7b with an average last frost of April 3. Plan your Malabar Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Sussex County, DE?

Sussex County, Delaware is in USDA Hardiness Zone 7b. The average last spring frost is April 3 and first fall frost is November 7.

🌱

Your Sussex County Garden Planner — Free

A 24-page printable planner built for Sussex 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 Sussex County, DE. 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.