When to Plant Tarragon in Alachua County, FL
May in the garden — Alachua County, Florida
If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.
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Basket week: tarragon
The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.
June will be here before you know it — start on
- First harvests: tarragon
French tarragon is a perennial herb with slender leaves and a distinctive anise-like flavor essential in French cooking. It does not produce viable seed and must be propagated vegetatively.
Alachua County, Florida is in USDA Zone 9a. The average last spring frost is February 23 and the first fall frost is November 27, giving you a growing season of approximately 277 days.
At an elevation of 398 feet, Alachua County receives approximately 50 inches of rainfall annually with predominantly sand soil. Summer highs average 99°F, so Tarragon may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Tarragon will need more frequent watering and organic matter to retain nutrients.
Alachua County Soil Profile
Soil Type
Sand
Soil pH
5.2-6.1
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 Alachua County
How your county's soil matches Tarragon's growing requirements.
Soil pH
Your soil pH (5.2–6.1) is more acidic than Tarragon prefers (6.0–7.5). Add garden lime to raise pH.
Soil Texture
Sandy soil in Alachua County warms quickly in spring but drains fast. Tarragon will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Tarragon.
Organic Matter
Organic matter is low (1.6%). Add 2-3 inches of compost before planting Tarragon.
How to Plant Tarragon
Succession Planting Tarragon
Sow every 6.9 weeks. Last sowing by Aug 29 to harvest before frost.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Tarragon
Tarragon needs approximately 0.4 inches of water per week (1.7" per month). Here's how your county's rainfall compares month by month.
| Month | Tarragon Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.6" | 0" | ❄️ Dormant |
| Feb | 1.7" | 2.7" | 0" | ✅ Rainfall sufficient |
| Mar | 1.7" | 2.7" | 0" | ✅ Rainfall sufficient |
| Apr | 1.7" | 2.5" | 0" | ✅ Rainfall sufficient |
| May | 1.7" | 3.2" | 0" | ✅ Rainfall sufficient |
| Jun | 1.7" | 7.5" | 0" | ✅ Rainfall sufficient |
| Jul | 1.7" | 7.4" | 0" | ✅ Rainfall sufficient |
| Aug | 1.7" | 6.3" | 0" | ✅ Rainfall sufficient |
| Sep | 1.7" | 6.8" | 0" | ✅ Rainfall sufficient |
| Oct | 1.7" | 4.6" | 0" | ✅ Rainfall sufficient |
| Nov | 1.7" | 1.9" | 0" | ✅ Rainfall sufficient |
| Dec | — | 1.8" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Feb–Nov in Alachua County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Tarragon 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.
Tarragon Planting Timeline — Alachua County, FL
Tarragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 2 | Mar 2 – Mar 16 |
| Harvest | May 4 | May 4 – Jul 13 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.4"/week · Natural rainfall sufficient
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6–7.5 · Your soil: too_acidic
🗺️ USDA Zone
Zone 9a
📆 Growing Season
277 days in Alachua County
Growing Tips for Tarragon in Alachua County
Direct sow Tarragon outdoors after February 23 in Alachua County when soil has warmed and frost danger has passed.
Sandy soil in Alachua County dries quickly — mulch Tarragon with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
With summer highs reaching 99°F in Alachua County, provide afternoon shade for Tarragon and water deeply in the morning.
Common pests for Tarragon in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.
General growing tips
Purchase plants or divisions as French tarragon does not grow true from seed. Plant in well-drained soil. Divide every 3-4 years to maintain vigor. Harvest tips regularly for best flavor.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Tarragon in Other Locations
Frequently Asked Questions
When should I plant Tarragon in Alachua County, FL?
Alachua County is in Zone 9a with an average last frost of February 23. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Alachua County, FL?
Alachua County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is February 23 and first fall frost is November 27.
Your Alachua County Garden Planner — Free
A 24-page printable planner built for Alachua County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.