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When to Plant Lingonberries in Transylvania County, NC

Transylvania County, North Carolina Zone 7b May

What to do in May

May is a pivotal month for Transylvania County, North Carolina gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost April 14
Avg. first frost October 22
Soil temp (4") 66°F
Watering Low
Pest pressure Moderate
Daylight 13.9 hrs
  1. Move lingonberries into the garden

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

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Lingonberries are low-growing evergreen shrubs producing small, tart red berries used in Scandinavian cuisine. They thrive in acidic soil and cold climates.

Transylvania County, North Carolina is in USDA Zone 7b. The average last spring frost is April 14 and the first fall frost is October 22, giving you a growing season of approximately 191 days.

At an elevation of 1,826 feet, Transylvania County receives approximately 45 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90°F, providing good warmth for Lingonberries during the growing season. Clay soil retains moisture well for Lingonberries, but amend with compost to improve drainage and prevent root rot.

Transylvania County, NC (Zone 7b) Moderate season
191 days
Last Spring Frost April 14
191 growing days
First Fall Frost October 22
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Transylvania County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Apr 28
Recommended (50%) ✓ Fits season
Transplant: May 5
Safe Start (90%) ✓ Fits season
Transplant: May 24

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 Transylvania County

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

Soil pH

Your soil pH (5.3–6.2) is more alkaline than Lingonberries prefers (4.5–5.5). Add sulfur or peat moss to lower pH.

Soil Texture

The clay loam soil in Transylvania County is excellent for Lingonberries — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.3%). Annual compost additions will help Lingonberries.

How to Plant Lingonberries

48"
Between Plants
72"
Between Rows

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 18 gal / 100 sq ft

Monthly Watering Guide for Lingonberries

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

Month Lingonberries Needs Rainfall You Supplement Action
Jan 3.3" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 4.9" 0" ❄️ Dormant
Apr 4.3" 3.3" 1" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 4.7" 0" ✅ Rainfall sufficient
Aug 4.3" 4.9" 0" ✅ Rainfall sufficient
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 3.1" 0" ❄️ Dormant
Dec 3.4" 0" ❄️ Dormant

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

Lingonberries 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.

Lingonberries needs ~15,969 GDD — county provides 3,342 GDD May not mature

Lingonberries Planting Timeline — Transylvania County, NC

Lingonberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 5 May 5 – May 19

· 48" apart · Rows 72" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June
July
August
September
October
November
December
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Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 4.5–5.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 7b

📆 Growing Season

191 days in Transylvania County

Growing Tips for Lingonberries in Transylvania County

Direct sow Lingonberries outdoors after April 14 in Transylvania County when soil has warmed and frost danger has passed.

With Transylvania County's clay soil (26% clay), work in 3-4 inches of compost before planting Lingonberries. Avoid tilling when soil is wet to prevent compaction.

Your 191.0-day growing season in Transylvania County is tight for Lingonberries (730.0-1095.0 days to maturity). Start indoors and choose early-maturing varieties.

General growing tips

Amend soil with peat and pine needle mulch for acidity. Plant 12 inches apart as a ground cover. Berries ripen in late summer. Requires minimal pruning.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lingonberries in Transylvania County, NC?

Transylvania County is in Zone 7b with an average last frost of April 14. Plan your Lingonberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Transylvania County, NC?

Transylvania County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is April 14 and first fall frost is October 22.

🌱

Your Transylvania County Garden Planner — Free

A 24-page printable planner built for Transylvania County (Zone 7b). 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 Transylvania County, NC. 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.