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When to plant Calendula in Bryan County County,

Spring Calendula in Bryan County County goes in January 5–January 26, once nighttime temps stop dipping near freezing. A second sowing from September 1 to September 15 extends the harvest into fall.

When to Plant Calendula in Bryan County, GA

Bryan County, Georgia Zone 9a June

June in Bryan County, Georgia — your action list

Your Bryan 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 2
Avg. first frost November 24
Soil temp (4") 81°F
Watering Low
Pest pressure High
Daylight 14.1 hrs
  1. Bring in the calendula

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

July will be here before you know it — start on
  • First harvests: calendula

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Calendula (Calendula officinalis) is a cheerful, edible-flowered cool-season annual valued by herbalists, chefs, and gardeners alike. Its golden-orange petals are used in salves, teas, and as a saffron substitute. Hardy enough to tolerate light frosts, it blooms prolifically in spring and fall, taking a pause during the hottest weeks of summer.

Bryan County, Georgia is in USDA Zone 9a. The average last spring frost is March 2 and the first fall frost is November 24, giving you a growing season of approximately 267 days.

At an elevation of 193 feet, Bryan County receives approximately 54 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Calendula during the growing season. Sandy soil warms quickly in spring — great for early planting — but Calendula will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Calendula root diseases.

Annual Blooms in Multi-season Pollinator-friendly Deer-resistant Good for cutting Fragrant
Bryan County, GA (Zone 9a) Long season
267 days
Last Spring Frost March 2
267 growing days
First Fall Frost November 24
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Bryan County Soil Profile

Soil Type

Sandy Loam

Soil pH

5-6

Drainage

Well Drained

Calendula Planting Risk Windows

Early Start (70% safe) ✓ Fits season (136 days to spare)
Transplant: Jan 17 🌸 Bloom: Feb 28 – Jul 4
Recommended (50%) ✓ Fits season (127 days to spare)
Transplant: Feb 2 🌸 Bloom: Mar 16 – Jul 20
Safe Start (90%) ✓ Fits season (127 days to spare)
Transplant: Feb 24 🌸 Bloom: Apr 7 – Aug 11

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 Bryan County

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

Soil pH

Your soil pH (5.0–6.0) overlaps with Calendula's range (5.5–7.0), though not a perfect match.

Soil Texture

Sandy soil in Bryan County warms quickly in spring but drains fast. Calendula will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Calendula prefers dry conditions but your soil drains poorly. Use raised beds or mounded rows to prevent root rot.

Organic Matter

Organic matter is low (1.8%). Add 2-3 inches of compost before planting Calendula.

How to Plant Calendula

0.3"
Planting Depth
9"
Between Plants
12"
Between Rows

Fall planting: Sow 12 weeks before your first frost date for a fall harvest.

Succession Planting Calendula

6
successive plantings in your 267-day season

Sow every 5.7 weeks. Last sowing by Sep 15 to harvest before frost.

For a dedicated fall crop, sow by Sep 01.

Calendula Water Budget

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

Monthly Watering Guide for Calendula

Calendula 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 Calendula Needs Rainfall You Supplement Action
Jan 4.5" 0" ❄️ Dormant
Feb 4.1" 0" ❄️ Dormant
Mar 2.2" 5.3" 0" ✅ Rainfall sufficient
Apr 2.2" 4.2" 0" ✅ Rainfall sufficient
May 2.2" 4.3" 0" ✅ Rainfall sufficient
Jun 2.2" 4.4" 0" ✅ Rainfall sufficient
Jul 2.2" 4.9" 0" ✅ Rainfall sufficient
Aug 2.2" 5.9" 0" ✅ Rainfall sufficient
Sep 2.2" 4.2" 0" ✅ Rainfall sufficient
Oct 2.2" 3.6" 0" ✅ Rainfall sufficient
Nov 2.2" 4" 0" ✅ Rainfall sufficient
Dec 4.7" 0" ❄️ Dormant

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

Calendula 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.

Calendula needs ~1,140 GDD — county provides 5,073 GDD Excellent fit

Calendula Planting Timeline — Bryan County, GA

Calendula Planting Calendar

Activity When Date Range
Transplant Outdoors February 2 Feb 2 – Feb 16
Direct Sow January 5 Jan 5 – Jan 26
Bloom March 16 Mar 16 – Jul 20
Fall Sowing September 1 Sep 1 – Sep 15

Plant 0.3" deep · 9" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Direct Sow
February Transplant Outdoors
March Bloom
April Bloom
May Bloom
June Bloom
July Bloom
August
September Fall Sowing
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 5.5–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 9a

📆 Growing Season

267 days in Bryan County

Growing Tips for Calendula in Bryan County

Direct sow Calendula outdoors after March 02 in Bryan County when soil has warmed and frost danger has passed.

Sandy soil in Bryan County dries quickly — mulch Calendula with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Common pests for Calendula in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct-sow in early spring as soon as soil can be worked — seeds germinate in cool soil (50-65°F). In zones 7+, also sow in fall for winter/spring bloom. Deadhead consistently to extend bloom. Plants self-seed readily; save a few spent heads and allow them to drop. Harvest petals when flowers are fully open for best flavor and medicinal value.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Calendula in Bryan County, GA?

Bryan County is in Zone 9a with an average last frost of March 2. Plan your Calendula planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bryan County, GA?

Bryan County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 2 and first fall frost is November 24.

When should I plant Calendula in Bryan County County, ?

In Bryan County County, , plant Calendula after the last frost (around March 2) and before the first frost (around November 24). Best results when soil holds above 50°F.

What growing zone is Bryan County County, for Calendula?

Bryan County County sits in USDA Zone 9a. Calendula grows reliably in zones 2a through 11b, so it's a good fit here.

Can Calendula grow in Bryan County County's climate?

Yes — Calendula grows well in Bryan County County's temperate climate. Bryan County County averages a 267-day frost-free season, with last frost around March 2 and first frost around November 24.

🌱

Your Bryan County Garden Planner — Free

A 22-page printable planner built for Bryan 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.

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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 Bryan 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.