πŸ“ Set my location β–Ύ
← Back to Catalog
Vegetable Biennial Intermediate Level πŸͺ΄ Container Friendly

Leeks

Leeks is a Biennial Vegetable that thrives in USDA Zones 3–9. It requires full_sun and takes around 100–150 days to mature.

SunlightFull Sun
Water NeedHigh
Days to Maturity🌱 100–150 days
USDA ZonesπŸ—ΊοΈ 3–9
Starts FromπŸ“¦ Seed
Transplant Indoor Seed Start Direct Sow

πŸ“… US Planting Timing

πŸͺ΄
Start Indoors
10 weeks
before last frost
🌾
Direct Sow
14 days before frost
πŸ”„
Transplant
+0 days after frost
πŸ‚
Fall Planting
12 weeks
before first frost

🌑️ Temps & Growth (Fahrenheit)

πŸͺ± Soil Temp
Minimum40Β°F
Optimal60–75Β°F
πŸ’¨ Air Temp
Minimum32Β°F
Optimal55–75Β°F
🌱 Germination Temp
Minimum45Β°F
Optimal65–85Β°F
❄️ Frost Toleranceβ–²β–²β–² High
πŸ”₯ Heat Toleranceβ–²β–² Medium
GDD Base Temp 40Β°F Growth stops below this temp
GDD Required 1800 Heat units needed to mature

πŸ“ Garden Spacing & Soil

Spacing (Inches)

Plant Depth0.25" (in)
Plant Spacing6" (in)
Row Spacing12" (in)
Square Foot (SFG)9 plants per sq. ft.

Soil & Water

pH Range6.00 – 7.00
DrainageWell Drained
Water/Week1 – 1.5" inches
Soil TypesLoamSandySilty

πŸͺ΄ Container Gardening

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

Min. Depth 10" (in)
Min. Volume 5 Gal

🌎 US State Planting Forecast

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

22 βœ… Ready
27 ⚠️ Risk
1 🚫 Not yet
AK ⚠️ Jun 10, 01:00 AKDT AL ⚠️ Jun 10, 04:00 CDT AR ⚠️ Jun 10, 04:00 CDT AZ βœ… Jun 10, 02:00 MST CA ⚠️ Jun 10, 02:00 PDT CO ⚠️ Jun 10, 03:00 MDT CT βœ… Jun 10, 05:00 EDT DE βœ… Jun 10, 05:00 EDT FL ⚠️ Jun 10, 05:00 EDT GA ⚠️ Jun 10, 05:00 EDT HI βœ… Jun 9, 23:00 HST IA ⚠️ Jun 10, 04:00 CDT ID ⏳ Jun 10, 03:00 MDT IL βœ… Jun 10, 04:00 CDT IN ⚠️ Jun 10, 05:00 EDT KS ⚠️ Jun 10, 04:00 CDT KY ⚠️ Jun 10, 05:00 EDT LA ⚠️ Jun 10, 04:00 CDT MA βœ… Jun 10, 05:00 EDT MD βœ… Jun 10, 05:00 EDT ME βœ… Jun 10, 05:00 EDT MI βœ… Jun 10, 05:00 EDT MN ⚠️ Jun 10, 04:00 CDT MO ⚠️ Jun 10, 04:00 CDT MS ⚠️ Jun 10, 04:00 CDT MT ⚠️ Jun 10, 03:00 MDT NC ⚠️ Jun 10, 05:00 EDT ND βœ… Jun 10, 04:00 CDT NE βœ… Jun 10, 04:00 CDT NH βœ… Jun 10, 05:00 EDT NJ βœ… Jun 10, 05:00 EDT NM βœ… Jun 10, 03:00 MDT NV ⚠️ Jun 10, 02:00 PDT NY βœ… Jun 10, 05:00 EDT OH ⚠️ Jun 10, 05:00 EDT OK ⚠️ Jun 10, 04:00 CDT OR ⚠️ Jun 10, 02:00 PDT PA βœ… Jun 10, 05:00 EDT RI βœ… Jun 10, 05:00 EDT SC ⚠️ Jun 10, 05:00 EDT SD βœ… Jun 10, 04:00 CDT TN ⚠️ Jun 10, 04:00 CDT TX ⚠️ Jun 10, 04:00 CDT UT ⚠️ Jun 10, 03:00 MDT VA βœ… Jun 10, 05:00 EDT VT βœ… Jun 10, 05:00 EDT WA ⚠️ Jun 10, 02:00 PDT WI βœ… Jun 10, 04:00 CDT WV βœ… Jun 10, 05:00 EDT WY ⚠️ Jun 10, 03:00 MDT
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
🏠
Start seeds indoors Jan 20
141 days ago
🌱
Direct sow outdoors Mar 17
85 days ago
πŸͺ΄
Transplant seedlings outdoors Mar 31
71 days ago
πŸ₯•
Earliest harvest Jun 25 ~
in 15 days
🏁
Latest harvest Aug 14 ~
in 65 days
πŸ‚
Fall planting window Sep 3
in 85 days

πŸ’§ Watering Forecast

Need: 1.25" / 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· 1800 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

  • Carrots
  • Celery
  • Onions
  • Strawberries
  • Tomatoes

❌ Keep Away From

  • Beans
  • Peas