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Flower Perennial Intermediate Level πŸͺ΄ Container Friendly

Dahlias

Dahlias is a Perennial Flower that thrives in USDA Zones 8–11. It requires full_sun and takes around 80–120 days to mature.

SunlightFull Sun
Water NeedHigh
Days to Maturity🌱 80–120 days
USDA ZonesπŸ—ΊοΈ 8–11
Starts FromπŸ“¦ Tuber
Transplant Bulb Planting

πŸ“… US Planting Timing

πŸͺ΄
Start Indoors
4 weeks
before last frost
🌾
Direct Sow
+7 days after frost
πŸ”„
Transplant
+14 days after frost

🌑️ Temps & Growth (Fahrenheit)

πŸͺ± Soil Temp
Minimum60Β°F
Optimal65–75Β°F
πŸ’¨ Air Temp
Minimum50Β°F
Optimal65–85Β°F
🌱 Germination Temp
Minimum60Β°F
Optimal65–70Β°F
❄️ Frost Toleranceβ–² Low
πŸ”₯ Heat Toleranceβ–²β–² Medium
GDD Base Temp 50Β°F Growth stops below this temp
GDD Required 1500 Heat units needed to mature

πŸ“ Garden Spacing & Soil

Spacing (Inches)

Plant Depth6" (in)
Plant Spacing18" (in)
Row Spacing24" (in)
Square Foot (SFG)0.5 plants per sq. ft.

Soil & Water

pH Range6.50 – 7.00
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 Dahlias right now? Based on current weather, soil temperature & frost calendar for each state.

8 ⚠️ Risk
42 🚫 Not yet
AK ❌ Jun 10, 01:00 AKDT AL ⚠️ Jun 10, 04:00 CDT AR ❌ Jun 10, 04:00 CDT AZ ❌ Jun 10, 02:00 MST CA ⚠️ Jun 10, 02:00 PDT CO ❌ Jun 10, 03:00 MDT CT ❌ Jun 10, 05:00 EDT DE ❌ Jun 10, 05:00 EDT FL ⚠️ Jun 10, 05:00 EDT GA ⚠️ Jun 10, 05:00 EDT HI ❌ Jun 9, 23:00 HST IA ❌ Jun 10, 04:00 CDT ID ❌ Jun 10, 03:00 MDT IL ❌ 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 ❌ Jun 10, 05:00 EDT MD ❌ Jun 10, 05:00 EDT ME ❌ Jun 10, 05:00 EDT MI ❌ 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 ❌ Jun 10, 04:00 CDT NE ❌ Jun 10, 04:00 CDT NH ❌ Jun 10, 05:00 EDT NJ ❌ Jun 10, 05:00 EDT NM ❌ Jun 10, 03:00 MDT NV ❌ Jun 10, 02:00 PDT NY ❌ Jun 10, 05:00 EDT OH ❌ Jun 10, 05:00 EDT OK ❌ Jun 10, 04:00 CDT OR ❌ Jun 10, 02:00 PDT PA ❌ Jun 10, 05:00 EDT RI ❌ Jun 10, 05:00 EDT SC ⚠️ Jun 10, 05:00 EDT SD ❌ Jun 10, 04:00 CDT TN ❌ Jun 10, 04:00 CDT TX ⚠️ Jun 10, 04:00 CDT UT ❌ Jun 10, 03:00 MDT VA ❌ Jun 10, 05:00 EDT VT ❌ Jun 10, 05:00 EDT WA ❌ Jun 10, 02:00 PDT WI ❌ Jun 10, 04:00 CDT WV ❌ 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 Mar 3
99 days ago
🌱
Direct sow outdoors Apr 7
64 days ago
πŸͺ΄
Transplant seedlings outdoors Apr 14
57 days ago
πŸ₯•
Earliest harvest Jun 26 ~
in 16 days
🏁
Latest harvest Aug 5 ~
in 56 days

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· 1500 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

  • Artemisia
  • Geraniums
  • Nasturtiums
  • Rosemary
  • Salvia

❌ Keep Away From

  • Fennel
  • Potatoes