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Kirby Cucumber

Cucumis sativus 'Kirby'

The classic pickling cucumber that's synonymous with crisp deli pickles and New York-style gherkins. These compact, bumpy cucumbers have incredibly firm flesh that maintains its crunch even after processing, making them the gold standard for home pickle makers. Their small size and prolific production make them perfect for continuous harvesting throughout the season.

Harvest

55-60d

Days to harvest

📅

Sun

White-Tailed Deer

☀️

Zones

2–11

USDA hardiness

🗺️

Height

8-18 inches

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Direct Sow

Harvest

Start Indoors

Transplant

Direct Sow

Harvest

Showing dates for Kirby Cucumber in USDA Zone 7

All Zone 7 cucumber →

Zone Map

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Kirby Cucumber · Zones 2–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing12-18 inches

SoilRich, well-drained loam with good organic content

pH6.0-7.0

Water1-2 inches per week, consistent moisture

SeasonWarm season

FlavorMild, crisp, and refreshing with very firm flesh

ColorLight to medium green with white spines

Size3-5 inches long, 1.5-2 inches wide

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	May – May	June – July	June – August	August – October
Zone 4	April – May	June – June	June – July	August – October
Zone 5	April – April	May – June	May – July	August – September
Zone 6	April – April	May – June	May – July	July – September
Zone 7	March – April	May – May	May – June	July – August
Zone 8	March – March	April – May	April – June	June – August
Zone 9	February – February	March – April	March – May	May – July
Zone 10	January – February	March – March	March – April	May – June

Complete Growing Guide

Light: White-Tailed Deer. Soil: High Organic Matter. Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 0 ft. 8 in. - 1 ft. 6 in.. Spread: 3 ft. 0 in. - 8 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: Medium. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

The "vegetable" is botanically a fruit– it is a pepo, a berry with a hard rind. Long and cylindrical, starting out prickly when young and smoothing out to a bumpy surface as it matures. Length and girth can vary based on cultivar and culinary purpose but grow at least 3 in long. Some varieties are bred to be seedless.

Color: Green. Type: Berry. Length: > 3 inches. Width: 1-3 inches.

Garden value: Edible, Showy

Harvest time: Summer

Bloom time: Summer

Edibility: Fruits are commonly eaten raw or pickled. Fresh cucumbers last in the fridge for about a week.

Storage & Preservation

Fresh Kirby cucumbers keep best in the refrigerator crisper drawer, stored in perforated plastic bags to maintain humidity while allowing air circulation. They'll stay crisp for 7-10 days when kept at 50-55°F – avoid storing below 45°F, which causes chilling injury and pitting.

For pickling, use cucumbers within 24 hours of harvest for maximum crispness. Kirby's firm flesh makes them ideal for quick refrigerator pickles, traditional canned dill pickles, or fermented pickles using salt brine. Their small size is perfect for whole pickles or spears.

While freezing isn't recommended for fresh eating due to texture loss, you can freeze sliced Kirbys in salt brine for later use in cooked dishes. Dehydrating creates excellent cucumber chips for snacking. For long-term preservation, water bath canning using tested pickle recipes provides shelf-stable storage for up to two years.

History & Origin

Origin: Himalaya to Northern Thailand

Advantages

+Disease resistance: Heat
+Attracts: Bees
+Edible: Fruits are commonly eaten raw or pickled. Fresh cucumbers last in the fridge for about a week.
+Fast-growing

Companion Plants

Plant Together

Radish

Deters cucumber beetles and squash bugs while breaking up soil for cucumber roots

Marigold

Repels cucumber beetles, aphids, and nematodes with strong scent

Nasturtium

Acts as trap crop for cucumber beetles and aphids while repelling squash bugs

Bean

Fixes nitrogen in soil for cucumber growth and provides natural trellis support

Corn

Provides natural support structure and windbreak for climbing cucumber vines

Sunflower

Attracts beneficial insects and provides shade during hot summer afternoons

Dill

Attracts beneficial insects like parasitic wasps that control cucumber pests

Lettuce

Acts as living mulch, conserving soil moisture that cucumbers require

Keep Apart

Aromatic Herbs

Strong scented herbs like sage can stunt cucumber growth and affect flavor

Potato

Competes for nutrients and increases risk of blight diseases spreading to cucumbers

Melon

Shares same pests and diseases, increasing concentration of cucumber beetles and powdery mildew

Nutrition Facts

Calories

10kcal(1%)

Protein

0.59g(1%)

Fiber

0.7g(3%)

Carbs

2.16g(1%)

Fat

0.16g(0%)

Vitamin C

3.2mg(4%)

Vitamin A

4mcg(0%)

Vitamin K

7.2mcg(6%)

Iron

0.22mg(1%)

Calcium

14mg(1%)

Potassium

136mg(3%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #169225)

Pests & Disease Resistance

Resistance

Good resistance to scab and moderate resistance to cucumber mosaic virus

Common Pests

Cucumber beetles, aphids, squash bugs, spider mites

Diseases

Powdery mildew, downy mildew, bacterial wilt, anthracnose

Frequently Asked Questions

How long do Kirby cucumbers take to grow from seed?▼

Kirby cucumbers typically take 55-60 days from seed to first harvest. You can start harvesting small pickles at about 3 inches long, with peak production occurring 65-75 days after planting. In warm climates, plants continue producing for 6-8 weeks once fruiting begins.

Can you grow Kirby cucumbers in containers?▼

Yes, Kirby cucumbers grow well in containers that are at least 20 gallons with good drainage. Use a trellis or cage for vertical support and ensure containers get 6-8 hours of direct sunlight. Container plants need more frequent watering and feeding every 2-3 weeks with balanced liquid fertilizer.

What's the difference between Kirby and regular slicing cucumbers?▼

Kirby cucumbers are smaller (3-5 inches), have bumpy skin with prominent spines, and much firmer flesh that stays crisp when pickled. Slicing cucumbers are longer (6-8 inches), have smoother skin, and softer flesh that's better for fresh eating but becomes mushy when pickled.

When should I plant Kirby cucumber seeds?▼

Plant Kirby cucumber seeds after soil temperature reaches 65°F consistently, typically 2-3 weeks after your last frost date. In most areas, this means late May to early June. For earlier harvest, start seeds indoors 2-3 weeks before transplanting outside.

Are Kirby cucumbers good for beginners?▼

Yes, Kirby cucumbers are excellent for beginning gardeners. They're fast-growing, productive, and relatively easy to care for. Their main requirements are consistent watering, full sun, and protection from cucumber beetles early in the season using row covers.

How do you know when Kirby cucumbers are ready to pick?▼

Harvest Kirby cucumbers when they're 3-5 inches long, dark green with white spines, and feel firm when gently squeezed. The skin should look glossy and bumpy. Check daily once fruiting begins – they can overripen quickly and become bitter and seedy.