When to plant Calendula in Barber County, KS
For Calendula in Barber County, the safe spring window opens around March 11 and closes around April 1. Last expected frost is April 15, first fall frost October 24, giving a 192-day growing season. A second sowing from August 29 to September 12 extends the harvest into fall.
When to Plant Calendula in Barber County, KS
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.
Barber County, Kansas is in USDA Zone 7a. The average last spring frost is April 15 and the first fall frost is October 24, giving you a growing season of approximately 192 days.
At an elevation of 964 feet, Barber County receives approximately 20.6 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Calendula during the growing season.
Barber County Soil Profile
Soil Type
Loam
Soil pH
6.6-7.1
Drainage
Well Drained
Monthly Watering Guide for Calendula
Calendula needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Calendula Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 0.5" | 0" | ❄️ Dormant |
| Feb | — | 0.6" | 0" | ❄️ Dormant |
| Mar | — | 1.4" | 0" | ❄️ Dormant |
| Apr | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| May | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| Jun | 4.3" | 3.2" | 1.1" | 💧 Light watering |
| Jul | 4.3" | 2.4" | 1.9" | 💧 Light watering |
| Aug | 4.3" | 2.5" | 1.8" | 💧 Light watering |
| Sep | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Oct | 4.3" | 1.3" | 3" | 🚿 Regular watering |
| Nov | — | 0.6" | 0" | ❄️ Dormant |
| Dec | — | 0.5" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Barber County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Calendula Planting Timeline — Barber County, KS
Calendula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 4 | Mar 4 – Mar 18 |
| Transplant Outdoors | April 15 | Apr 15 – Apr 29 |
| Direct Sow | March 11 | Mar 11 – Apr 1 |
| Bloom | June 3 | Jun 3 – Sep 16 |
| Fall Sowing | August 29 | Aug 29 – Sep 12 |
Plant 0.3" deep · 9" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Bloom |
| July | Bloom |
| August | Fall Sowing Bloom |
| September | Fall Sowing Bloom |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
192 days in Barber County
Growing Tips for Barber County
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 →
Calendula in Other Locations
Frequently Asked Questions
When should I plant Calendula in Barber County, KS?
Barber County is in Zone 7a with an average last frost of April 15. Plan your Calendula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Barber County, KS?
Barber County, Kansas is in USDA Hardiness Zone 7a. The average last spring frost is April 15 and first fall frost is October 24.
When should I plant Calendula in Barber County, KS?
In Barber County, KS, plant Calendula after the last frost (around April 15) and before the first frost (around October 24). Best results when soil holds above 50°F.
What growing zone is Barber County, KS for Calendula?
Barber County sits in USDA Zone 7a. Calendula grows reliably in zones 2a through 11b, so it's a good fit here.
Can Calendula grow in Barber County's climate?
Yes — Calendula grows well in Barber County's temperate climate. Barber County averages a 192-day frost-free season, with last frost around April 15 and first frost around October 24.
Your Barber County Garden Planner — Free
A 22-page printable planner built for Barber County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.