When to plant Cucumber in Logan County, CO
In Logan County, Cucumber is a spring-only crop. Plant May 18–June 8 once soil hits 50°F.
When to Plant Cucumber in Logan County, CO
What to do in June
Each item below is timed to Logan County, Colorado's frost dates and soil temperatures. Skip nothing, stress about nothing.
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Indoor seed-starting week for cucumber
These need a head start before your last frost (May 11). Sow into cells now so you're ready to transplant in a few weeks.
July prep starts now
- First harvests: cucumber
Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.
Logan County, Colorado is in USDA Zone 5b. The average last spring frost is May 11 and the first fall frost is October 5, giving you a growing season of approximately 147 days.
At an elevation of 6,511 feet, Logan County receives approximately 14.9 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Cucumber to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Cucumber successfully. Mulch heavily to conserve soil moisture.
Logan County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.9
Drainage
Well Drained
Cucumber 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 Logan County
How your county's soil matches Cucumber's growing requirements.
Soil pH
Your soil pH (6.4–7.9) is more alkaline than Cucumber prefers (6.0–7.0). Add sulfur or peat moss to lower pH.
Soil Texture
The loam soil in Logan County is excellent for Cucumber — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.2%). Annual compost additions will help Cucumber.
How to Plant Cucumber
Succession Planting Cucumber
Sow every 5.7 weeks. Last sowing by Jul 27 to harvest before frost.
Cucumber Water Budget
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Cucumber
Cucumber needs approximately 1.5 inches of water per week (6.5" per month). Here's how your county's rainfall compares month by month.
| Month | Cucumber Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1" | 0" | ❄️ Dormant |
| Feb | — | 0.9" | 0" | ❄️ Dormant |
| Mar | — | 1.1" | 0" | ❄️ Dormant |
| Apr | — | 1.6" | 0" | ❄️ Dormant |
| May | 6.5" | 1.7" | 4.8" | 🚿 Regular watering |
| Jun | 6.5" | 1.2" | 5.3" | 🚿 Regular watering |
| Jul | 6.5" | 1.3" | 5.2" | 🚿 Regular watering |
| Aug | 6.5" | 1.5" | 5" | 🚿 Regular watering |
| Sep | 6.5" | 1.3" | 5.2" | 🚿 Regular watering |
| Oct | 6.5" | 1.3" | 5.2" | 🚿 Regular watering |
| Nov | — | 1.1" | 0" | ❄️ Dormant |
| Dec | — | 1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Oct in Logan County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Cucumber 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.
Cucumber Planting Timeline — Logan County, CO
Cucumber Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 6 | Apr 6 – Apr 20 |
| Transplant Outdoors | May 25 | May 25 – Jun 8 |
| Direct Sow | May 18 | May 18 – Jun 8 |
| Harvest | July 20 | Jul 20 – Sep 14 |
Plant 0.5" deep · 24" apart · Rows 48" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1.5"/week · 2-3 times/week
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 6–7 · Your soil: too_alkaline
🗺️ USDA Zone
Zone 5b
📆 Growing Season
147 days in Logan County
Growing Tips for Cucumber in Logan County
Direct sow Cucumber outdoors after May 11 in Logan County when soil has warmed and frost danger has passed.
Common pests for Cucumber in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.
Logan County receives only 15" of rain annually. Cucumber needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.
General growing tips
Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Cucumber in Other Locations
Frequently Asked Questions
When should I plant Cucumber in Logan County, CO?
Logan County is in Zone 5b with an average last frost of May 11. Plan your Cucumber planting based on this frost date — see the calendar above for exact timing.
What planting zone is Logan County, CO?
Logan County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is May 11 and first fall frost is October 5.
When should I plant Cucumber in Logan County, CO?
In Logan County, CO, plant Cucumber after the last frost (around May 11) and before the first frost (around October 5). Best results when soil holds above 50°F.
What growing zone is Logan County, CO for Cucumber?
Logan County sits in USDA Zone 5b. Cucumber grows reliably in zones 3a through 11b, so it's a good fit here.
Can Cucumber grow in Logan County's climate?
Yes — Cucumber grows well in Logan County's temperate climate. Logan County averages a 147-day frost-free season, with last frost around May 11 and first frost around October 5.
Your Logan County Garden Planner — Free
A 22-page printable planner built for Logan County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.