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When to Plant Cress in Albany County, WY

Albany County, Wyoming Zone 5b May

Albany County, Wyoming gardeners: here's your May plan

Here's what deserves your attention in Albany County, Wyoming this month. Everything below is tailored to Zone 5b and timed around your local frost dates.

Avg. last frost May 29
Avg. first frost September 18
Soil temp (4") 38°F
Watering High
Pest pressure Low
Daylight 14.3 hrs
  1. Move cress from tray to bed

    Water the tray well an hour before you transplant. Roots slide out cleanly and settle in faster.

  2. Outdoor sowing time: cress

    Sow every 2 weeks for a continuous harvest. A single big planting means a single big glut.

A few tasks this May that'll pay off in June
  • First harvests: cress

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Garden cress is one of the fastest-growing edibles, producing peppery sprouts in as little as two weeks. It is excellent for microgreens and garnishes.

Albany County, Wyoming is in USDA Zone 5b. The average last spring frost is May 29 and the first fall frost is September 18, giving you a growing season of approximately 112 days.

At an elevation of 5,863 feet, Albany County receives approximately 17.8 inches of rainfall annually with predominantly loam soil. Summer highs average 80°F, so choose short-season varieties of Cress to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Cress successfully. Mulch heavily to conserve soil moisture.

Albany County, WY (Zone 5b) Short season
112 days
Last Spring Frost May 29
112 growing days
First Fall Frost September 18
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Albany County Soil Profile

Soil Type

Loam

Soil pH

6.3-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (74 days to spare)
Start indoors: Apr 19 Transplant: May 24 🍅 Harvest: Jun 7 – Jun 28
Recommended (50%) ✓ Fits season (77 days to spare)
Start indoors: Apr 24 Transplant: May 29 🍅 Harvest: Jun 12 – Jul 3
Safe Start (90%) ✓ Fits season (81 days to spare)
Start indoors: May 6 Transplant: Jun 10 🍅 Harvest: Jun 24 – Jul 15

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 Albany County

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

Soil pH

Your soil pH (6.3–7.6) overlaps with Cress's range (6.0–7.0), though not a perfect match.

Soil Texture

The loam soil in Albany County is excellent for Cress — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.5%). Annual compost additions will help Cress.

How to Plant Cress

0.5"
Planting Depth
2"
Between Plants
6"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Cress

9
successive plantings in your 112-day season

Sow every 1.6 weeks. Last sowing by Aug 28 to harvest before frost.

For a dedicated fall crop, sow by Jul 10.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.7″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 398 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Cress

Cress needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Cress Needs Rainfall You Supplement Action
Jan 1.1" 0" ❄️ Dormant
Feb 1.2" 0" ❄️ Dormant
Mar 1.5" 0" ❄️ Dormant
Apr 1.8" 0" ❄️ Dormant
May 4.3" 2.2" 2.1" 💧 Light watering
Jun 4.3" 1.2" 3.1" 🚿 Regular watering
Jul 4.3" 1.4" 2.9" 🚿 Regular watering
Aug 4.3" 2" 2.3" 🚿 Regular watering
Sep 4.3" 1.3" 3" 🚿 Regular watering
Oct 1.6" 0" ❄️ Dormant
Nov 1.4" 0" ❄️ Dormant
Dec 1.1" 0" ❄️ Dormant

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

Cress 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.

Cress needs ~175 GDD — county provides 1,120 GDD Excellent fit

Cress Planting Timeline — Albany County, WY

Cress Planting Calendar

Activity When Date Range
Start Indoors April 24 Apr 24 – May 8
Transplant Outdoors May 29 May 29 – Jun 12
Direct Sow May 15 May 15 – Jun 5
Harvest June 12 Jun 12 – Jul 3
Fall Sowing July 10 Jul 10 – Jul 24

Plant 0.5" deep · 2" apart · Rows 6" apart

Month-by-Month Timeline

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

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

14–21 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 5b

📆 Growing Season

112 days in Albany County

Growing Tips for Cress in Albany County

Direct sow Cress outdoors after May 29 in Albany County when soil has warmed and frost danger has passed.

Your generous 112.0-day season in Albany County allows multiple plantings of Cress. Sow every 7.0 days for continuous harvest.

Common pests for Cress in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

Albany County receives only 18" of rain annually. Cress needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Sow seeds thickly on moist soil or paper towels. Keep moist and harvest when 2-3 inches tall. Succession sow every few days for continuous supply. Grows well indoors year-round.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cress in Albany County, WY?

Albany County is in Zone 5b with an average last frost of May 29. Plan your Cress planting based on this frost date — see the calendar above for exact timing.

What planting zone is Albany County, WY?

Albany County, Wyoming is in USDA Hardiness Zone 5b. The average last spring frost is May 29 and first fall frost is September 18.

🌱

Your Albany County Garden Planner — Free

A 24-page printable planner built for Albany 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.

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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 Albany County, WY. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.