When to plant Calendula in Denali Borough, AK
Denali Borough's short 84-day growing season means one Calendula planting between June 2 and June 23. No fall crop in Zone 2a.
When to Plant Calendula in Denali Borough, AK
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.
Denali Borough, Alaska is in USDA Zone 2a. The average last spring frost is June 2 and the first fall frost is August 25, giving you a growing season of approximately 84 days.
At an elevation of 2,930 feet, Denali Borough receives approximately 15.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 70°F, so choose short-season varieties of Calendula to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Calendula successfully. Mulch heavily to conserve soil moisture.
Denali Borough Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Calendula Planting Timeline — Denali Borough, AK
Calendula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 7 | Apr 7 – Apr 21 |
| Transplant Outdoors | June 2 | Jun 2 – Jun 16 |
| Direct Sow | June 2 | Jun 2 – Jun 23 |
| Bloom | July 21 | Jul 21 – Sep 15 |
Plant 0.3" deep · 9" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | — |
| June | Transplant Outdoors Direct Sow |
| July | Bloom |
| August | Bloom |
| September | 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 2a
📆 Growing Season
84 days in Denali Borough
Growing Tips for Denali Borough
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 Denali Borough, AK?
Denali Borough is in Zone 2a with an average last frost of June 2. Plan your Calendula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Denali Borough, AK?
Denali Borough, Alaska is in USDA Hardiness Zone 2a. The average last spring frost is June 2 and first fall frost is August 25.
When should I plant Calendula in Denali Borough, AK?
In Denali Borough, AK, plant Calendula after the last frost (around June 2) and before the first frost (around August 25). Best results when soil holds above 50°F.
What growing zone is Denali Borough, AK for Calendula?
Denali Borough sits in USDA Zone 2a. Calendula grows reliably in zones 2a through 11b, so it's a good fit here.
Can Calendula grow in Denali Borough's climate?
Yes — Calendula grows well in Denali Borough's temperate climate. Denali Borough averages a 84-day frost-free season, with last frost around June 2 and first frost around August 25.
Your Denali Borough Garden Planner — Free
A 22-page printable planner built for Denali Borough (Zone 2a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.