When to Plant Dill in Seminole County, FL
Dill is a feathery annual herb with aromatic leaves and seeds. Its fine foliage and umbrella-shaped flower heads attract beneficial insects to the garden.
Seminole County, Florida is in USDA Zone 9b. The average last spring frost is February 3 and the first fall frost is December 21, giving you a growing season of approximately 321 days.
At an elevation of 260 feet, Seminole County receives approximately 53.9 inches of rainfall annually with predominantly sand soil. Summer highs average 95°F, so Dill may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Dill will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Dill root diseases.
Seminole County Soil Profile
Soil Type
Sand
Soil pH
5.2-5.9
Drainage
Well Drained
Plant Planting Risk Windows
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 Seminole County
How your county's soil matches Dill's growing requirements.
Soil pH
Your soil pH (5.2–5.9) overlaps with Dill's range (5.5–7.0), though not a perfect match.
Soil Texture
Sandy soil in Seminole County warms quickly in spring but drains fast. Dill will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Dill.
Organic Matter
Organic matter is low (1.5%). Add 2-3 inches of compost before planting Dill.
How to Plant Dill
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Dill
Sow every 4.6 weeks. Last sowing by Oct 22 to harvest before frost.
For a dedicated fall crop, sow by Oct 26.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Dill
Dill needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.
| Month | Dill Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.9" | 0" | ❄️ Dormant |
| Feb | 2.2" | 3" | 0" | ✅ Rainfall sufficient |
| Mar | 2.2" | 2.9" | 0" | ✅ Rainfall sufficient |
| Apr | 2.2" | 2.8" | 0" | ✅ Rainfall sufficient |
| May | 2.2" | 3.8" | 0" | ✅ Rainfall sufficient |
| Jun | 2.2" | 7.9" | 0" | ✅ Rainfall sufficient |
| Jul | 2.2" | 7.7" | 0" | ✅ Rainfall sufficient |
| Aug | 2.2" | 6.9" | 0" | ✅ Rainfall sufficient |
| Sep | 2.2" | 6.4" | 0" | ✅ Rainfall sufficient |
| Oct | 2.2" | 5.2" | 0" | ✅ Rainfall sufficient |
| Nov | 2.2" | 2.2" | 0" | ✅ Rainfall sufficient |
| Dec | 2.2" | 2.2" | 0" | ✅ Rainfall sufficient |
Water needs are for active growing months only (Feb–Dec in Seminole County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Dill 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.
Dill Planting Timeline — Seminole County, FL
Dill Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 6 | Jan 6 – Jan 20 |
| Transplant Outdoors | January 27 | Jan 27 – Feb 10 |
| Direct Sow | January 13 | Jan 13 – Feb 3 |
| Harvest | March 10 | Mar 10 – May 12 |
| Fall Sowing | October 26 | Oct 26 – Nov 9 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Transplant Outdoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | Harvest |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | Fall Sowing |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.5"/week · Natural rainfall sufficient
📅 Days to Maturity
40–60 days
🧪 Soil pH
Needs 5.5–7 · Your soil: acceptable
🗺️ USDA Zone
Zone 9b
📆 Growing Season
321 days in Seminole County
Growing Tips for Dill in Seminole County
Direct sow Dill outdoors after February 03 in Seminole County when soil has warmed and frost danger has passed.
Sandy soil in Seminole County dries quickly — mulch Dill with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
Your generous 322.0-day season in Seminole County allows multiple plantings of Dill. Sow every 20.0 days for continuous harvest.
Common pests for Dill in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.
General growing tips
Direct sow in spring as dill has a taproot and dislikes transplanting. Succession sow for continuous leaf harvest. Allow some plants to flower for seeds and to attract beneficial insects.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Dill in Other Locations
Frequently Asked Questions
When should I plant Dill in Seminole County, FL?
Seminole County is in Zone 9b with an average last frost of February 3. Plan your Dill planting based on this frost date — see the calendar above for exact timing.
What planting zone is Seminole County, FL?
Seminole County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is February 3 and first fall frost is December 21.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Seminole County gardeners in Zone 9b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.