When to Plant Leeks in Yakutat City and Borough, AK
Top priorities for Yakutat City and Borough, Alaska gardeners in May
A quick May briefing for Yakutat City and Borough, Alaska gardeners — what's urgent, what's next, and what can wait.
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Get leeks in the ground
Your last frost (May 20) has passed. These warm-season crops can handle outdoor soil now.
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Seed leeks outdoors
Keep the top inch of soil moist until germination — a gentle morning watering for 5–7 days does the job.
Coming up in June — start thinking about
- Starting indoors: leeks
Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.
Yakutat City and Borough, Alaska is in USDA Zone 6b. The average last spring frost is May 20 and the first fall frost is September 25, giving you a growing season of approximately 128 days.
At an elevation of 246 feet, Yakutat City and Borough receives approximately 40.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 66°F, so choose short-season varieties of Leeks to ensure they mature before fall.
Yakutat City and Borough Soil Profile
Soil Type
Silt Loam
Soil pH
5.2-6.3
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 Yakutat City and Borough
How your county's soil matches Leeks's growing requirements.
Soil pH
Your soil pH (5.2–6.3) is more acidic than Leeks prefers (6.0–7.0). Add garden lime to raise pH.
Soil Texture
The silt loam soil in Yakutat City and Borough is excellent for Leeks — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Leeks.
Organic Matter
Organic matter is excellent (5.1%) — Leeks will thrive.
How to Plant Leeks
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Plant Water Budget
Monthly Watering Guide for Leeks
Leeks needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.
| Month | Leeks Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.2" | 0" | ❄️ Dormant |
| Feb | — | 2" | 0" | ❄️ Dormant |
| Mar | — | 1.6" | 0" | ❄️ Dormant |
| Apr | — | 1.3" | 0" | ❄️ Dormant |
| May | 3.5" | 2" | 1.5" | 💧 Light watering |
| Jun | 3.5" | 2.7" | 0.8" | 💧 Light watering |
| Jul | 3.5" | 5.1" | 0" | ✅ Rainfall sufficient |
| Aug | 3.5" | 6.8" | 0" | ✅ Rainfall sufficient |
| Sep | 3.5" | 7.5" | 0" | ✅ Rainfall sufficient |
| Oct | — | 4.3" | 0" | ❄️ Dormant |
| Nov | — | 3.1" | 0" | ❄️ Dormant |
| Dec | — | 2.2" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Sep in Yakutat City and Borough). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Leeks 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.
Leeks Planting Timeline — Yakutat City and Borough, AK
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 15 | Apr 15 – Apr 29 |
| Transplant Outdoors | May 20 | May 20 – Jun 3 |
| Direct Sow | May 6 | May 6 – May 27 |
| Harvest | August 19 | Aug 19 – Nov 4 |
| Fall Sowing | July 17 | Jul 17 – Jul 31 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors |
| July | Fall Sowing |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.8"/week · Natural rainfall sufficient
📅 Days to Maturity
90–150 days
🧪 Soil pH
Needs 6–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 6b
📆 Growing Season
128 days in Yakutat City and Borough
Growing Tips for Leeks in Yakutat City and Borough
Direct sow Leeks outdoors after May 20 in Yakutat City and Borough when soil has warmed and frost danger has passed.
Your 128.0-day growing season in Yakutat City and Borough is tight for Leeks (90.0-150.0 days to maturity). Start indoors and choose early-maturing varieties.
Common pests for Leeks in this region include onion maggots and thrips. Use row covers early in the season and inspect plants weekly.
General growing tips
Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Leeks in Other Locations
Frequently Asked Questions
When should I plant Leeks in Yakutat City and Borough, AK?
Yakutat City and Borough is in Zone 6b with an average last frost of May 20. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Yakutat City and Borough, AK?
Yakutat City and Borough, Alaska is in USDA Hardiness Zone 6b. The average last spring frost is May 20 and first fall frost is September 25.
Your Yakutat City and Borough Garden Planner — Free
A 24-page printable planner built for Yakutat City and Borough (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.