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When to plant Foxglove in Bibb County, GA

Bibb County's climate puts the Foxglove spring window between March 15 and April 5. most warm-season crops establish quickly once soil holds above 60°F.

When to Plant Foxglove in Bibb County, GA

Bibb County, Georgia Zone 8b June

Your June game plan for Bibb County, Georgia

Your Bibb County, Georgia garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost March 22
Avg. first frost November 6
Soil temp (4") 82°F
Watering Low
Pest pressure High
Daylight 14.1 hrs

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Foxglove (Digitalis purpurea) is a stately cottage garden classic, sending up dramatic 3–5 foot spires of tubular flowers — spotted purple, pink, white, or cream — in late spring and early summer. Technically biennial (flowering in its second year), foxglove perpetuates itself so freely from self-sown seed that established plantings appear to be permanent perennials. A key source plant for the heart medication digitalis, all parts are highly toxic if ingested. Bumblebees are the primary pollinators, crawling deep into each bell-shaped flower. Partial shade and cool, moist woodland-edge conditions suit foxglove best; it resents heat and drought.

Bibb County, Georgia is in USDA Zone 8b. The average last spring frost is March 22 and the first fall frost is November 6, giving you a growing season of approximately 229 days.

At an elevation of 218 feet, Bibb County receives approximately 60.7 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Foxglove during the growing season. Clay soil retains moisture well for Foxglove, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Foxglove root diseases.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Bibb County, GA (Zone 8b) Long season
229 days
Last Spring Frost March 22
229 growing days
First Fall Frost November 6

Bibb County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Foxglove Planting Risk Windows

Early Start (70% safe) ✓ Fits season (164 days to spare)
Start indoors: Jan 14 Transplant: Mar 4 🌸 Bloom: Apr 22 – May 20
Recommended (50%) ✓ Fits season (159 days to spare)
Start indoors: Jan 25 Transplant: Mar 15 🌸 Bloom: May 3 – May 31
Safe Start (90%) ✓ Fits season (157 days to spare)
Start indoors: Feb 13 Transplant: Apr 3 🌸 Bloom: May 22 – Jun 19

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 Bibb County

How your county's soil matches Foxglove's growing requirements.

Soil pH

Your soil pH (5.5–6.6) overlaps with Foxglove's range (5.5–6.5), though not a perfect match.

Soil Texture

The clay loam soil in Bibb County is excellent for Foxglove — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Foxglove.

Organic Matter

Organic matter is moderate (2.3%). Annual compost additions will help Foxglove.

How to Plant Foxglove

0.1"
Planting Depth
18"
Between Plants
24"
Between Rows

Succession Planting Foxglove

3
successive plantings in your 229-day season

Sow every 9.1 weeks. Last sowing by Jul 09 to harvest before frost.

Foxglove Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Foxglove

Foxglove needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Foxglove Needs Rainfall You Supplement Action
Jan 4.9" 0" ❄️ Dormant
Feb 5.3" 0" ❄️ Dormant
Mar 4.3" 6" 0" ✅ Rainfall sufficient
Apr 4.3" 5.1" 0" ✅ Rainfall sufficient
May 4.3" 5.1" 0" ✅ Rainfall sufficient
Jun 4.3" 5.4" 0" ✅ Rainfall sufficient
Jul 4.3" 5.5" 0" ✅ Rainfall sufficient
Aug 4.3" 6.3" 0" ✅ Rainfall sufficient
Sep 4.3" 4.7" 0" ✅ Rainfall sufficient
Oct 4.3" 3.6" 0.7" 💧 Light watering
Nov 4.3" 4.4" 0" ✅ Rainfall sufficient
Dec 4.5" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Bibb County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Foxglove 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.

Foxglove needs ~2,050 GDD — county provides 4,694 GDD Excellent fit

Foxglove Planting Timeline — Bibb County, GA

Foxglove Planting Calendar

Activity When Date Range
Start Indoors January 25 Jan 25 – Feb 8
Transplant Outdoors March 15 Mar 15 – Mar 29
Direct Sow March 15 Mar 15 – Apr 5
Bloom May 3 May 3 – May 31

Plant 0.1" deep · 18" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors Direct Sow
April Direct Sow
May Bloom
June
July
August
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

229 days in Bibb County

Growing Tips for Foxglove in Bibb County

Direct sow Foxglove outdoors after March 22 in Bibb County when soil has warmed and frost danger has passed.

With Bibb County's clay soil (33% clay), work in 3-4 inches of compost before planting Foxglove. Avoid tilling when soil is wet to prevent compaction.

General growing tips

Sow seeds indoors 8–10 weeks before last frost or direct-sow outdoors in late spring/early summer for next-year bloom (biennial cycle). Surface-sow — seeds need light to germinate. Transplant after last frost into cool, moist, well-amended soil. Morning sun with afternoon shade is ideal; full shade reduces bloom but is tolerated. Keep consistently moist. First-year plants form a basal rosette only; second-year plants produce flower spikes. After bloom, cut the main spike before seed scatters to prevent excessive spreading, or leave some spikes to self-seed for naturalizing. Perennial species (D. grandiflora, D. x mertonensis) maintain clumps without requiring self-seeding. Wear gloves when handling — all plant parts toxic.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Foxglove in Bibb County, GA?

Bibb County is in Zone 8b with an average last frost of March 22. Plan your Foxglove planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bibb County, GA?

Bibb County, Georgia is in USDA Hardiness Zone 8b. The average last spring frost is March 22 and first fall frost is November 6.

When should I plant Foxglove in Bibb County, GA?

In Bibb County, GA, plant Foxglove after the last frost (around March 22) and before the first frost (around November 6). Best results when soil holds above 50°F.

What growing zone is Bibb County, GA for Foxglove?

Bibb County sits in USDA Zone 8b. Foxglove grows reliably in zones 3a through 9a, so it's a good fit here.

Can Foxglove grow in Bibb County's climate?

Yes — Foxglove grows well in Bibb County's temperate climate. Bibb County averages a 229-day frost-free season, with last frost around March 22 and first frost around November 6.

🌱

Your Bibb County Garden Planner — Free

A 22-page printable planner built for Bibb County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Bibb County, GA. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.