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When to Plant Goji Berries in Perkins County, SD

Perkins County, South Dakota Zone 4b May

What to do in May

Your garden in Perkins County, South Dakota is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost May 12
Avg. first frost October 2
Soil temp (4") 53°F
Watering Moderate
Pest pressure Low
Daylight 14.7 hrs
To set up a strong June, finish these tasks
  • Transplants going out: goji berries

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Goji berries are a deciduous shrub producing small, bright red berries valued as a superfood. The plants are extremely hardy and drought-tolerant once established.

Perkins County, South Dakota is in USDA Zone 4b. The average last spring frost is May 12 and the first fall frost is October 2, giving you a growing season of approximately 143 days.

At an elevation of 1,119 feet, Perkins County receives approximately 28.1 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Goji Berries to ensure they mature before fall.

Perkins County, SD (Zone 4b) Short season
143 days
Last Spring Frost May 12
143 growing days
First Fall Frost October 2

Perkins County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Jun 2
Recommended (50%) ✓ Fits season
Transplant: Jun 9
Safe Start (90%) ✓ Fits season
Transplant: Jun 17

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 Perkins County

How your county's soil matches Goji Berries's growing requirements.

Soil pH

Your soil pH (6.7–7.7) is within Goji Berries's preferred range (6.5–8.0).

Soil Texture

The loam soil in Perkins County is excellent for Goji Berries — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (4.0%) — Goji Berries will thrive.

How to Plant Goji Berries

48"
Between Plants
72"
Between Rows

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Goji Berries

Goji Berries needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Goji Berries Needs Rainfall You Supplement Action
Jan 2.2" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.3" 0" ❄️ Dormant
Apr 2.9" 0" ❄️ Dormant
May 2.2" 3.2" 0" ✅ Rainfall sufficient
Jun 2.2" 2.1" 0.1" 💧 Light watering
Jul 2.2" 2.7" 0" ✅ Rainfall sufficient
Aug 2.2" 3.2" 0" ✅ Rainfall sufficient
Sep 2.2" 2.1" 0.1" 💧 Light watering
Oct 2.2" 2.1" 0.1" 💧 Light watering
Nov 1.9" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

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

Goji Berries 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.

Goji Berries needs ~9,809 GDD — county provides 1,537 GDD May not mature

Goji Berries Planting Timeline — Perkins County, SD

Goji Berries Planting Calendar

Activity When Date Range
Transplant Outdoors June 9 Jun 9 – Jun 23

· 48" apart · Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 6.5–8 · Your soil: ideal

🗺️ USDA Zone

Zone 4b

📆 Growing Season

143 days in Perkins County

Growing Tips for Goji Berries in Perkins County

Direct sow Goji Berries outdoors after May 12 in Perkins County when soil has warmed and frost danger has passed.

Your 143.0-day growing season in Perkins County is tight for Goji Berries (730.0-1095.0 days to maturity). Start indoors and choose early-maturing varieties.

Common pests for Goji Berries in this region include tomato hornworm and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

Plant in well-drained soil in full sun. Prune annually to manage the arching, somewhat wild growth habit. Berries ripen over an extended period in summer and fall. Can be trellised.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Goji Berries in Perkins County, SD?

Perkins County is in Zone 4b with an average last frost of May 12. Plan your Goji Berries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Perkins County, SD?

Perkins County, South Dakota is in USDA Hardiness Zone 4b. The average last spring frost is May 12 and first fall frost is October 2.

🌱

Your Perkins County Garden Planner — Free

A 24-page printable planner built for Perkins County (Zone 4b). 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 Perkins County, SD. Local conditions may vary. Last updated: May 2026.

Sources & credits

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