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Swift Current, SK — Planting Guide

Swift Current is in USDA Zone 4a. The average last spring frost is May 16 and the first fall frost is October 3, giving you a growing season of approximately 140 days.

At an elevation of 2,680 ft, Swift Current receives approximately 15.3 in of rainfall annually. The predominant soil type is Dark Brown Chernozem.

🌡️ Zone

4a (-30°F to -25°F min)

❄️ Last Frost

May 16

🍂 First Frost

October 3

📅 Growing Season

140 days

⛰️ Elevation

2,680 ft

🌧️ Annual Rainfall

15.3 in

Swift Current, SK Short season
140 days
Last Spring Frost May 16
140 growing days
First Fall Frost October 3

Monthly Watering Calendar for Swift Current

When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.

Why this matters: Watering by the calendar wastes water. Watering by the soil moisture (or by a free rain gauge) cuts your water use 30%+ and produces healthier roots. Swift Current's 15" annual baseline is the starting point.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 0.7" Feb 0.5" Mar 1.1" +2.8" Apr 1.5" +2.4" May 1.9" +2.5" Jun 1.8" +2.5" Jul 1.8" +2.7" Aug 1.6" +3" Sep 1.3" +3.1" Oct 1.2" Nov 0.9" Dec 0.8"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 0.7 in 9 days None
Feb 0.5 in 7 days None
Mar 1.1 in 8 days None
Apr 1.5 in 8 days 2.8 in High
May 1.9 in 9 days 2.4 in High
Jun 1.8 in 11 days 2.5 in High
Jul 1.8 in 9 days 2.5 in High
Aug 1.6 in 9 days 2.7 in High
Sep 1.3 in 7 days 3 in High
Oct 1.2 in 8 days 3.1 in Critical
Nov 0.9 in 7 days None
Dec 0.8 in 7 days None

Annual total: 15.1 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.

Swift Current Soil Profile

Soil Type

Dark Brown Chernozem

Soil pH

6.0-7.0

Drainage

Well Drained

Gardening Difficulty Score

80 Excellent
Frost Timing Risk
0.0/10
Drought Risk
0.0/10
Soil Difficulty
3.0/10
Altitude Challenge
3.4/10
Climate Shift
0.0/10
Rainfall Challenge
5.9/10

Swift Current is a very forgiving place to garden. Most plants thrive here with minimal effort.

Zone 4a Frost Countdown
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Loading...
Last Frost: May 16 First Frost: Oct 3

Local Gardening Help in Swift Current

Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Swift Current's climate and soil.

County Extension Office

Swift Current Extension Office

Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.

Master Gardener Program

Free gardening help from trained volunteers

Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.

Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.

Soil Testing

Available through your extension office

Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.

Services Available in Swift Current

Soil testing Pest identification
Finding local nurseries & garden centers in Swift Current

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Swift Current's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.

How to Find Them

Search for "nurseries near Swift Current SK" or "garden center Swift Current" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.

Community gardens & gardening groups

Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Swift Current SK" or check your extension office and local parks department. Facebook groups like "Swift Current Gardeners" or "Saskatchewan Gardening" are also excellent for local advice and plant swaps.

What to Plant After Your Harvest

After your first crops finish, use the remaining frost-free days to grow a second round.

Show 6 more succession options
After Watermelon (harvest ends Sep 2) 43 days until frost
After Chard (harvest ends Jul 29) 78 days until frost
After Spinach (harvest ends Jul 22) 85 days until frost
After Lettuce (harvest ends Jul 29) 78 days until frost
After Cantaloupe (harvest ends Aug 26) 50 days until frost
After Peas (harvest ends Aug 5) 71 days until frost

Sunlight & Day Length in Swift Current

Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.

Why this matters: Day length triggers flowering in many crops. Some need short days (sweet potatoes), some long (most flowers), and some are day-neutral (most modern tomatoes). Swift Current's latitude determines which varieties fit your beds.

Longest Day

16.2 hours

Summer solstice daylight

Shortest Day

7.8 hours

Winter solstice daylight

Peak Sun Hours

10.6 hr/day peak (summer)

Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.

14hr 12hr 2h 6h 10h 14h 18h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight hours (sunrise to sunset) Peak sun hours (direct sunlight after cloud cover) ▪ Gold zone = long day (14+ hr) ▪ Blue zone = short day (<12 hr)

Onion tip: Your long summer days (14+ hours) support long-day onion varieties like Walla Walla, Sweet Spanish, and Ailsa Craig.

View detailed monthly data
MonthDaylight HoursPeak Sun HoursDay Length
January 8.3 hr 3.4 hr Short day
February 9.8 hr 4.5 hr Short day
March 11.5 hr 5.2 hr Short day
April 13.5 hr 7.1 hr Neutral
May 15.2 hr 9.2 hr Long day
June 16.2 hr 9.8 hr Long day
July 15.8 hr 10.6 hr Long day
August 14.3 hr 8.5 hr Long day
September 12.4 hr 7.5 hr Neutral
October 10.4 hr 5.2 hr Short day
November 8.7 hr 3.5 hr Short day
December 7.8 hr 3.1 hr Short day

Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.

Soil Temperature & Composting in Swift Current

Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.

What this means for you: Watching soil temperature (not air) is the single biggest upgrade most new gardeners can make. Swift Current's typical curve helps you plan — but a $5 soil thermometer in the bed beats any average.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Jul through Aug.

Best Month to Compost

Jul

Microbial activity peaks when soil is warm.

Active Composting

4 months

Short season — insulate pile or use indoor vermicomposting.

60°F 70°F 20° 40° 60° 80° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 9°F 18°F ❄️ Dormant ~36 weeks
Feb 8°F 16°F ❄️ Dormant ~36 weeks
Mar 21°F 21°F ❄️ Dormant ~36 weeks
Apr 36°F 32°F ❄️ Dormant ~36 weeks
May 50°F 42°F 🐢 Slow ~24 weeks
Jun 58°F 54°F ♻️ Active ~14 weeks
Jul 67°F 60°F 🔥 Peak ~8 weeks
Aug 68°F 63°F 🔥 Peak ~8 weeks
Sep 59°F 57°F ♻️ Active ~14 weeks
Oct 47°F 49°F 🐢 Slow ~24 weeks
Nov 30°F 36°F ❄️ Dormant ~36 weeks
Dec 16°F 24°F ❄️ Dormant ~36 weeks

Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.

Pest & Disease Pressure in Swift Current

Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.

Why this matters: In Swift Current's climate, pest pressure shapes which crops are easy and which are heartbreak. Tomatoes are easy in dry mountain air, hard in humid coast — same plant, completely different gardening experience.

Insect Pest Pressure

5.4 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

2.5 / 10

Low disease risk — dry conditions reduce fungal problems.

Seasonal Risk

Spring Low
Summer High
Fall Low
Winter Low
View 5 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate May, Jun, Jul, Aug
Cabbage worms Moderate Jun, Jul, Aug
Colorado potato beetle Moderate Jun, Jul
Flea beetles Low May, Jun, Jul
Slugs Moderate May, Jun, Jul, Aug, Sep
Organic pest management tips
  • Maintain healthy soil with regular compost additions to build natural pest resistance
  • Practice crop rotation annually to break pest cycles
  • Encourage beneficial insects with flowering herbs like dill, fennel, and yarrow

Cover Crops for Swift Current

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.

The practical takeaway: Why not just leave bare soil? Weed seeds, erosion, nutrient leaching, and crust formation. A cover crop solves all of these for the cost of seeds and one mowing.

Spring Cover Crops (2 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 29 Jul 25 Rapid growth, attracts pollinators, suppresses weeds
White clover Apr 21 Aug 1 ✓ Yes Living mulch, fixes nitrogen, permanent ground cover
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
Crop Plant By Terminate N-Fixing Soil Benefit
Sunflowers Jun 8 Sep 5 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (5 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Daikon radish Aug 11 May 2 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 10 Apr 25 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Aug 27 May 2 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jun 30 May 2 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 6 May 2 Erosion control, weed suppression, good biomass

Wind & Microclimate in Swift Current

Why it matters: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Swift Current averages 9.9 mph. If you garden near coast, ridge, or open plains, you're likely above that — plan for it.

Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.

Seasonal Wind Speed

Spring: 13 mph   Summer: 10 mph

Fall: 9 mph   Winter: 12 mph

Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.

Windbreak Benefit

5.5/10

Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.

Frost Pocket Risk

Low

Relatively flat terrain (131 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Swift Current

How much water you can collect, when to collect it, and what size system you need for your garden.

Quick context: Most gardens use 0.5-1 gallon per square foot per week in summer. Swift Current's 15" annual rainfall is enough to cover most needs if you can capture it. Rain barrels under downspouts are the simplest entry point.

Annual Collection

7,525 gal

Per 1,000 sq ft of roof area (at 80% collection efficiency)

Recommended Setup

8 rain barrels (55 gal each)

For a typical 500 sq ft garden. Serious collectors: consider a 2,250 gal tank.

Legal Status

Unrestricted

Rainwater harvesting is fully legal in your state with no restrictions.

Best Collection Months

May, Jun, Jul, Aug

Highest rainfall months — your barrels will fill up quickly during these months.

Months to Draw From Storage

Jan, Feb, Nov, Dec

Dry months when you'll rely on stored water — size your storage for this gap.

Rainwater collection tips for your area
  • Your county receives approximately 15.1 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 7,525 gallons annually
  • Rainwater harvesting is fully legal in your state
  • In your dry climate, every drop counts — consider a larger cistern system
  • Position collection tanks in shade to reduce evaporation and algae growth

Soil & Growing Conditions in Swift Current

Soil Type

Dark Brown Chernozem

Amend with compost each season to maintain fertility and structure.

Watering Needs

With 15.3 inches annually, regular irrigation is essential. Drip systems and heavy mulching conserve water.

Season Tips

140-day frost-free season

Start warm-season crops indoors and focus on short-season varieties. Cold frames extend your season by 3–4 weeks in fall.

Your Free Printable Garden Planner

Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.

Instant PDF download. No spam, unsubscribe any time.

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Recommended for Your Garden

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

📏
Digital pH Meter $10-20

Get instant, accurate soil pH readings to fine-tune your amendments.

🍂
Organic Compost $8-30

Boost soil fertility and structure with rich, well-aged organic compost.

🥬 Vegetables to Grow in Swift Current

95 vegetables that grow well in Zone 4a with planting dates for Swift Current.

Show all 95 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Apr 4 May 30 Jun 6 Aug 29 – Oct 3 80–100
Amaranth Mar 14 May 30 Jun 6 Sep 5 – Oct 24 90–120
Arugula Apr 4 May 9 May 16 Jul 11 Jun 20 – Aug 22 30–50
Asparagus May 30 730–1095
Beets May 9 Jul 11 Jul 4 – Aug 1 50–70
Belgian Endive Apr 4 May 9 May 16 Jul 11 Sep 5 – Oct 10 110–150
Black Beans May 30 Aug 29 – Oct 17 90–120
Bok Choy Apr 4 May 9 May 16 Jul 11 Jun 27 – Aug 1 40–60
Broccoli Apr 4 May 9 May 16 Jul 11 Jul 18 – Aug 29 60–90
Broccoli Rabe Apr 4 May 9 May 16 Jul 11 Jun 27 – Aug 1 40–60
Brussels Sprouts Apr 4 May 9 May 16 Jul 11 Aug 15 – Oct 10 90–130
Butternut Squash Apr 4 May 30 Jun 6 Sep 5 – Oct 10 85–110
Cabbage Apr 4 May 9 May 16 Jul 11 Jul 18 – Sep 12 60–100
Carrots May 9 Jul 11 Jul 11 – Aug 15 60–80
Cauliflower Apr 4 May 9 May 16 Jul 11 Jul 11 – Sep 12 55–100
Celeriac Apr 4 May 9 May 16 Jul 11 Aug 29 – Oct 3 100–120
Celery Apr 4 May 9 May 16 Jul 11 Aug 8 – Oct 3 80–120
Celtuce Apr 4 May 9 May 16 Jul 11 Jul 18 – Aug 29 60–90
Chard Apr 4 May 9 May 16 Jul 11 Jul 11 – Aug 29 50–60
Chickpeas Apr 4 May 9 May 16 Jul 11 Aug 8 – Sep 19 80–110
Chicory Apr 4 May 9 May 16 Jul 11 Jul 18 – Aug 29 60–85
Chinese Cabbage Apr 4 May 9 May 16 Jul 11 Jul 11 – Aug 8 50–70
Christmas Lima Beans Mar 14 May 30 Jun 6 Aug 29 – Oct 3 80–100
Collard Greens Apr 4 May 9 May 16 Jul 11 Jul 11 – Sep 12 55–75
Corn May 30 Aug 1 – Sep 26 60–100
Cress Apr 4 May 9 May 16 Jul 11 May 30 – Jun 20 14–21
Crookneck Squash Apr 4 May 30 Jun 6 Jul 25 – Aug 22 45–60
Crosne May 9 Jul 11 Oct 10 – Oct 3 150–200
Cucumber Apr 4 May 30 Jun 6 Aug 1 – Sep 26 50–70
Daikon May 9 Jul 11 Jul 4 – Aug 1 50–70
Delicata Squash Apr 4 May 30 Jun 6 Aug 29 – Oct 3 80–100
Edamame May 30 Aug 15 – Sep 26 75–100
Endive Apr 4 May 9 May 16 Jul 11 Jul 4 – Aug 8 45–65
Escarole Apr 4 May 9 May 16 Jul 11 Jul 11 – Aug 8 50–70
Fava Beans Apr 4 May 9 May 16 Jul 11 Aug 1 – Sep 12 75–100
Fennel Mar 14 May 30 Jun 6 Aug 8 – Sep 19 60–90
Garlic Aug 22 Nov 21 – Jan 16 90–240
Green Beans May 30 Jul 25 – Sep 19 50–65
Horseradish May 30 Oct 3 – Oct 24 120–180
Hubbard Squash Apr 4 May 30 Jun 6 Sep 19 – Oct 24 100–120
Kabocha Apr 4 May 30 Jun 6 Sep 5 – Oct 3 85–100
Kai Lan Apr 4 May 9 May 16 Jul 11 Jul 4 – Aug 1 45–60
Kale Apr 4 May 9 May 16 Jul 11 Jul 11 – Sep 5 50–70
Kidney Beans May 30 Aug 29 – Oct 3 85–110
Kohlrabi Apr 4 May 9 May 16 Jul 11 Jul 4 – Aug 8 45–65
Komatsuna Apr 4 May 9 May 16 Jul 11 Jun 20 – Jul 25 35–50
Leeks Apr 4 May 9 May 16 Jul 11 Aug 15 – Oct 10 90–150
Lentils Apr 4 May 9 May 16 Jul 11 Aug 8 – Sep 19 80–110
Lettuce Apr 4 May 9 May 16 Jul 11 Jun 20 – Aug 29 30–60
Lima Beans May 30 Aug 1 – Sep 12 60–90
Mache Apr 4 May 9 May 16 Jul 11 Jun 27 – Aug 1 40–60
Melon Apr 4 May 30 Jun 6 Aug 15 – Oct 3 70–100
Microgreens Apr 4 May 9 May 16 Jul 11 May 23 – Jun 20 7–21
Mitsuba Apr 4 May 9 May 9 Jul 11 Jul 4 – Aug 29 50–70
Mizuna Apr 4 May 9 May 16 Jul 11 Jun 20 – Jul 18 30–45
Mustard Greens Apr 4 May 9 May 16 Jul 11 Jun 20 – Aug 22 30–50
Napa Cabbage Apr 4 May 9 May 16 Jul 11 Jul 11 – Aug 15 55–75
Onion Apr 4 May 9 May 16 Jul 11 Aug 15 – Oct 3 90–120
Pac Choi Apr 4 May 9 May 16 Jul 11 Jun 27 – Jul 25 40–55
Parsnip May 9 Jul 11 Aug 22 – Oct 3 100–130
Patty Pan Squash Apr 4 May 30 Jun 6 Jul 25 – Aug 22 45–60
Peas Apr 4 May 9 May 16 Jul 11 Jul 11 – Sep 5 55–70
Peppers Feb 28 May 30 Jun 6 Aug 8 – Oct 17 60–90
Pole Beans Mar 14 May 30 Jun 6 Aug 1 – Sep 26 55–70
Potatoes Mar 14 May 30 Jun 6 Aug 15 – Oct 24 70–120
Pumpkin Apr 4 May 30 Jun 6 Sep 5 – Oct 24 85–120
Purslane Apr 4 May 9 May 16 Jul 11 Jun 27 – Aug 1 40–60
Radicchio Apr 4 May 9 May 16 Jul 11 Jul 18 – Aug 22 60–80
Radish May 9 Jul 11 Jun 6 – Jun 27 22–35
Rhubarb Jun 13 365–730
Romanesco Apr 4 May 9 May 16 Jul 11 Aug 1 – Sep 12 75–100
Rutabaga May 9 Jul 11 Aug 1 – Sep 5 80–100
Salsify May 9 Jul 11 Aug 22 – Oct 3 100–130
Savoy Cabbage Apr 4 May 9 May 16 Jul 11 Jul 25 – Sep 19 70–110
Scallions Apr 4 May 9 May 16 Jul 11 Jul 11 – Aug 8 50–70
Scarlet Runner Beans Mar 14 May 30 Jun 6 Aug 8 – Sep 12 60–80
Shallot Apr 4 May 9 May 16 Jul 11 Aug 15 – Oct 3 90–120
Shiso Mar 21 May 23 Jun 6 Aug 1 – Sep 26 50–70
Snap Peas Mar 14 May 30 Jun 6 Aug 1 – Sep 26 55–70
Snow Peas Apr 4 May 9 May 16 Jul 11 Jul 11 – Sep 5 50–65
Soybeans May 30 Aug 22 – Oct 17 80–120
Spaghetti Squash Apr 4 May 30 Jun 6 Sep 5 – Oct 3 85–100
Spinach Apr 4 May 9 May 16 Jul 11 Jun 20 – Aug 22 35–50
Squash (Summer) Apr 4 May 30 Jun 6 Jul 25 – Sep 26 45–65
Squash (Winter) Apr 4 May 30 Jun 6 Aug 29 – Oct 24 80–120
Sunchoke May 30 Sep 19 – Oct 24 110–150
Sweet Corn May 30 Aug 1 – Sep 12 60–90
Tatsoi Apr 4 May 9 May 16 Jul 11 Jun 20 – Jul 25 35–50
Tomatillo Mar 14 May 30 Jun 6 Aug 8 – Oct 17 60–85
Tomatoes Mar 14 May 30 Jun 6 Aug 8 – Oct 17 60–85
Turnip May 9 Jul 11 Jun 20 – Jul 25 40–60
Watercress Apr 4 May 9 May 16 Jul 11 Jun 27 – Aug 1 40–60
Watermelon Apr 4 May 30 Jun 6 Aug 15 – Oct 3 70–100
Wax Beans May 30 Jul 25 – Sep 19 50–65
Zucchini Apr 4 May 30 Jun 6 Jul 25 – Sep 19 45–60

🍓 Fruits to Grow in Swift Current

22 fruits that grow well in Zone 4a with planting dates for Swift Current.

Show all 22 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Jun 13 Sep 12 – Nov 7 90–180
Aronia Jun 13 730–1095
Blueberries Jun 13 730–1095
Cantaloupe Jun 13 Aug 22 – Sep 26 70–90
Cranberries Jun 13 730–1095
Currants Jun 13 730–1095
Elderberries Jun 13 730–1095
Goji Berries Jun 13 730–1095
Gooseberries Jun 13 730–1095
Grapes Jun 13 730–1095
Ground Cherry Jun 13 Aug 22 – Oct 17 65–80
Hardy Kiwi Jun 13 1095–1825
Haskaps Jun 13 730–1095
Honeydew Jun 13 Sep 5 – Oct 17 80–110
Jostaberry Jun 13 730–1095
Lingonberries Jun 13 730–1095
Medlar Jun 13 1095–1825
Mulberries Jun 13 730–1825
Persimmon Jun 13 1095–2555
Raspberries Jun 13 365–730
Serviceberries Jun 13 730–1095
Strawberries Jun 13 Sep 12 – Nov 7 90–365

🌿 Herbs to Grow in Swift Current

30 herbs that grow well in Zone 4a with planting dates for Swift Current.

Show all 30 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Apr 4 May 9 May 9 Jul 11 365–730
Anise Apr 4 May 9 May 9 Jul 11 Aug 8 – Oct 3 90–120
Basil Mar 21 May 23 Jun 6 Aug 1 – Oct 3 50–75
Bee Balm May 23 Aug 22 – Oct 17 90–120
Borage Apr 4 May 9 May 9 Jul 11 Jul 4 – Aug 22 50–60
Caraway Apr 4 May 9 May 9 Jul 11 365–450
Catnip May 23 Jul 25 – Sep 26 60–80
Chamomile Apr 4 May 9 May 9 Jul 11 Jul 11 – Sep 19 60–90
Chervil Apr 4 May 9 May 9 Jul 11 Jun 20 – Aug 22 40–60
Chives May 23 Jul 25 – Oct 3 60–90
Cilantro Apr 4 May 9 May 9 Jul 11 Jun 20 – Aug 22 40–60
Comfrey May 23 Jul 25 – Oct 3 60–90
Dill Apr 4 May 9 May 9 Jul 11 Jun 20 – Aug 22 40–60
Fennel (herb) Apr 4 May 9 May 9 Jul 11 Jul 11 – Sep 19 60–90
Garlic Chives May 23 Jul 25 – Oct 3 60–90
Horehound May 23 Aug 8 – Oct 3 75–90
Hyssop May 23 Aug 1 – Oct 3 70–90
Lemon Balm May 23 Jul 25 – Sep 12 60–70
Lovage May 23 Aug 1 – Oct 3 70–90
Mint May 23 Jul 25 – Oct 3 60–90
Oregano May 23 Jul 25 – Oct 3 60–90
Parsley Apr 4 May 9 May 9 Jul 11 Jul 11 – Sep 12 60–80
Rue May 23 Aug 1 – Oct 3 70–90
Sage May 23 Aug 8 – Oct 3 75–90
Savory May 23 Jul 18 – Sep 12 50–70
Sorrel Apr 4 May 9 May 9 Jul 11 Jun 20 – Aug 22 40–60
Tarragon May 23 Jul 25 – Oct 3 60–90
Thai Basil Mar 21 May 23 Jun 6 Aug 1 – Oct 3 50–75
Thyme May 23 Aug 1 – Oct 3 70–90
Valerian May 23 Sep 26 – Oct 17 120–180

🌸 Flowers to Grow in Swift Current

49 flowers that grow well in Zone 4a with planting dates for Swift Current.

Show all 49 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 21 May 23 May 23 Jul 18 – Sep 26 60–75
Alliums Aug 22 Oct 3 – Oct 24 28–42
Astilbe Mar 7 May 30 Aug 22 – Oct 17 70–100
Bachelor's Button Mar 28 May 2 May 16 Jul 18 – Sep 19 60–90
Begonias Feb 28 May 30 Aug 8 – Oct 10 70–90
Black-eyed Susan Mar 7 May 16 May 30 Aug 22 – Oct 31 60–80
Bleeding Hearts Mar 7 May 30 Jul 25 – Sep 5 60–90
Calendula Mar 28 May 2 May 16 Jul 4 – Sep 19 50–70
Celosia Apr 4 May 30 May 30 Aug 1 – Oct 17 60–90
Columbine Mar 7 May 30 May 30 Jul 25 – Sep 5 70–100
Coreopsis Mar 7 May 23 May 30 Aug 15 – Oct 31 60–80
Cosmos Apr 18 May 23 May 23 Aug 1 – Oct 17 60–90
Crocus Aug 22 Jun 27 – Jul 18 10–20
Daffodils Aug 22 Jul 4 – Jul 25 20–40
Dahlias Apr 18 May 30 May 30 Aug 29 – Oct 31 70–120
Daylily Mar 7 May 30 Aug 29 – Oct 31 60–90
Dianthus Mar 14 Apr 25 May 9 Jun 27 – Aug 29 60–80
Echinacea (Purple Coneflower) Mar 7 May 30 May 30 Aug 29 – Oct 31 70–90
Foxglove Mar 7 May 30 May 30 Jul 25 – Sep 5 80–120
Gaillardia (Blanket Flower) Mar 21 May 30 May 30 Aug 8 – Nov 7 70–100
Geraniums Feb 28 May 30 Aug 8 – Oct 10 70–100
Gladiolus May 23 May 23 Aug 22 – Oct 24 70–100
Hostas Feb 28 May 30 Aug 29 – Oct 31 60–90
Hyacinths Aug 22 Jul 25 – Aug 15 14–28
Hydrangeas Feb 28 May 30 Aug 22 – Oct 17 90–150
Impatiens Mar 14 May 30 Aug 15 – Oct 10 60–75
Irises Division May 30 Jul 25 – Aug 22 60–100
Larkspur Apr 11 Jun 20 – Aug 1 60–90
Lilies Division May 30 Aug 22 – Oct 24 70–120
Lobelia Mar 7 May 16 Jul 11 – Sep 5 70–80
Lupine Mar 7 May 30 May 30 Jul 25 – Sep 5 75–100
Marigolds Apr 4 May 30 May 30 Jul 25 – Oct 10 50–70
Nasturtium Apr 18 May 30 May 30 Jul 25 – Oct 10 55–65
Pansy Feb 28 May 16 Jul 11 – Aug 29 70–90
Peonies Division May 30 Aug 8 – Sep 12 90–120
Petunia Mar 14 May 30 Aug 15 – Oct 17 70–90
Phlox Mar 7 May 30 May 30 Aug 22 – Oct 24 80–110
Portulaca Apr 4 May 30 May 30 Jul 18 – Sep 26 50–70
Roses Feb 28 May 30 Aug 22 – Oct 31 90–180
Salvia Mar 7 May 30 Aug 8 – Oct 10 70–90
Sedum (Stonecrop) Mar 7 May 30 Oct 3 – Nov 21 60–90
Snapdragon Feb 28 May 16 Jul 25 – Sep 19 70–100
Sunflower Apr 25 May 30 May 30 Aug 22 – Oct 17 70–100
Sweet Alyssum Mar 21 May 9 May 16 Jun 27 – Aug 29 45–60
Sweet Pea Mar 28 Apr 11 May 16 Aug 8 – Sep 19 65–85
Tulips Aug 22 Jul 18 – Aug 8 15–30
Vinca (Annual) Feb 28 May 30 Aug 8 – Oct 10 70–90
Yarrow Mar 7 May 16 May 30 Aug 15 – Oct 31 60–90
Zinnia Apr 18 May 30 May 30 Aug 8 – Oct 17 60–70
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Monthly Planting Guide for Swift Current

Gardening Guides & Resources

Helpful guides from The Ultimate Homestead to improve your garden in Swift Current.

Frequently Asked Questions

What planting zone is Swift Current, SK?

Swift Current is in USDA Hardiness Zone 4a. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.

When is the last frost in Swift Current, SK?

Based on 30 years of NOAA weather station data, the median last spring frost in Swift Current falls around May 16. Plan transplants and direct-sow dates relative to this date.

When is the first fall frost in Swift Current, SK?

The median first fall frost in Swift Current arrives around October 3. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

Is Swift Current a good location for home gardening?

Swift Current scores 80/100 (Excellent) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. This is an above-average location for home gardening with relatively predictable growing conditions.

🌱

Your Swift Current Garden Planner — Free

A 22-page printable planner built for Swift Current (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
  • Full seed-starting + planting schedule with timing and spacing
  • Bonus: square-foot gardening guide + printable seasonal planners
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Seed Saving & Storage Guide

Seed Saving & Storage Guide

$27 $157 value

Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.

  • 200 plants, step-by-step: life cycle, pollination type, isolation
  • Exact temperature + humidity ranges that keep seeds viable
  • Bonus: searchable Google Sheets tracker + custom GPT assistant
Save a lifetime of seed money →
Composting Guide for Homesteaders

Composting Guide for Homesteaders

$27 $210 value

Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.

  • 14 sections on composting methods, soil science, and troubleshooting
  • The 7-step hot-compost system from start to finish
  • Bonus tools: troubleshooting chart, safety guide, monitoring log
Start composting today →

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: June 2026.

Sources & credits

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