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Fruit Annual Intermediate Level πŸͺ΄ Container Friendly

Watermelon

Watermelon is a Annual Fruit that thrives in USDA Zones 3–11. It requires full_sun and takes around 70–100 days to mature.

SunlightFull Sun
Water NeedHigh
Days to Maturity🌱 70–100 days
USDA ZonesπŸ—ΊοΈ 3–11
Starts FromπŸ“¦ Seed
Transplant Indoor Seed Start Direct Sow

πŸ“… US Planting Timing

πŸͺ΄
Start Indoors
4 weeks
before last frost
🌾
Direct Sow
+14 days after frost
πŸ”„
Transplant
+14 days after frost

🌑️ Temps & Growth (Fahrenheit)

πŸͺ± Soil Temp
Minimum65Β°F
Optimal70–95Β°F
πŸ’¨ Air Temp
Minimum60Β°F
Optimal75–90Β°F
🌱 Germination Temp
Minimum65Β°F
Optimal80–95Β°F
❄️ Frost Toleranceβ–² Low
πŸ”₯ Heat Toleranceβ–²β–²β–² High
GDD Base Temp 50Β°F Growth stops below this temp
GDD Required 2000 Heat units needed to mature

πŸ“ Garden Spacing & Soil

Spacing (Inches)

Plant Depth1" (in)
Plant Spacing24" (in)
Row Spacing72" (in)
Square Foot (SFG)0.11 plants per sq. ft.

Soil & Water

pH Range6.00 – 6.80
DrainageWell Drained
Water/Week1 – 2" inches
Soil TypesLoamSandy

πŸͺ΄ Container Gardening

This plant is highly suitable for growing in pots, grow bags, or urban balconies.

Min. Depth 12" (in)
Min. Volume 5 Gal

🌎 US State Planting Forecast

Where can you plant Watermelon right now? Based on current weather, soil temperature & frost calendar for each state.

30 βœ… Ready
13 ⚠️ Risk
7 🚫 Not yet
Ready to plant Plant with caution Not recommended

πŸ“… Personal Planting Timeline

Your personalized schedule based on frost dates and current soil temperature. Showing default Zone 7 β€” set your location for exact dates.

❄️ Last frost: Mar 31 πŸ‚ First fall frost: Nov 26 βœ… 240 frost-free days πŸ₯Ά Soil not yet warm enough
🏠
Start seeds indoors Mar 3
175 days ago
🌱
Direct sow outdoors Apr 14 ?
✦ Soil currently 60Β°F β€” needs 65Β°F. Date is estimated.
133 days ago
πŸͺ΄
Transplant seedlings outdoors Apr 14
133 days ago
πŸ₯•
Earliest harvest Jun 23 ~
63 days ago
🏁
Latest harvest Jul 23 ~
33 days ago

πŸ’§ Watering Forecast

Need: 1.50" / week  Β·  based on forecast rain & evaporation

πŸ“ Set location for forecast
🌱

Enter your city or ZIP above to see a personalized 5-day watering schedule.

🌑️ Plant Stress Forecast

5-day temperature stress outlook for this plant

πŸ“ Set location for forecast
🌿

Enter your city or ZIP above to see if your plant will experience heat or cold stress this week.

🌑️ Growth Prediction

GDD-based harvest forecast Β· 2000 GDD needed

πŸ“ Set location & planting date
🌾

Enter your location and when you planted to get a personalized harvest prediction based on real temperature data.

🀝 Companion Planting

βœ… Plant Near

  • Corn
  • Marigold
  • Nasturtium
  • Oregano
  • Radish

❌ Keep Away From

  • Cucumber
  • Potato
  • Squash