Cucumbers
58-65days to harvest
7-10days to germinate
Z2–11USDA zones
Moderatedifficulty
Heirloom

Sowing

Direct sow when soil is consistently 70°F. Plant 1 inch deep near strong trellis or support structure.

Cultivation

Sun
Full sun (6+ hours)
Water
1.5-2 inches per week, deep watering
Soil
Rich, well-drained soil with plenty of compost
Soil pH
6.0-7.5
Spacing
18-24 inches
Height
8-18 inches
Season
Warm season

Appearance & flavour

Colour
Medium to dark green
Size
8-10 inches long
Shape
Long, slender, slightly curved
Flavour
Sweet, mild, and never bitter with tender, edible skin

In the kitchen

Fresh eating with skin on, salads, Asian dishes, light pickling

Pests, disease & resistance

Pests
Cucumber beetle, squash bug, aphids
Diseases
Powdery mildew, downy mildew, cucumber mosaic virus
Resistance
Good heat tolerance and moderate disease resistance

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
2May – JuneJulyJuly – AugustSeptember
3MayJune – JulyJune – AugustSeptember – October
4April – MayJuneJune – JulyAugust – October
5AprilMay – JuneMay – JulyAugust – September
6AprilMay – JuneMay – JulyAugust – September
7March – AprilMayMay – JuneJuly – September
8MarchApril – MayApril – JuneJuly – August
9FebruaryMarch – AprilMarch – MayJune – July
10January – FebruaryMarchMarch – AprilMay – July
11JanuaryFebruaryFebruary – MarchApril – June
12JanuaryFebruaryFebruary – MarchApril – June
13JanuaryFebruaryFebruary – MarchApril – June

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

BasilRepels aphids, spider mites, and cucumber beetles while potentially improving cucumber flavor
RadishesDeters cucumber beetles and squash bugs, breaks up soil for cucumber roots
MarigoldsRepels cucumber beetles, aphids, and nematodes with natural compounds
NasturtiumsActs as trap crop for cucumber beetles and aphids, natural pest deterrent
LettuceProvides ground cover to retain soil moisture and doesn't compete for nutrients
BeansFixes nitrogen in soil to benefit cucumber growth, compatible growth habits
CornProvides natural trellis support for climbing cucumbers, efficient space usage
DillAttracts beneficial insects like parasitic wasps that control cucumber pests

Avoid

Aromatic HerbsStrong herbs like sage and rosemary can inhibit cucumber germination and growth
PotatoesCompete for similar nutrients and space, may increase disease susceptibility
MelonsCross-pollination concerns and competition for nutrients, water, and space

Nutrition (per 100 g)

Calories (per 100 g)
10
Protein (g)
0.59
Fat (g)
0.16
Carbohydrate (g)
2.16
Fibre (g)
0.7
Sugars (g)
1.38
Vitamin A (µg)
4
Vitamin C (mg)
3.2
Vitamin E (mg)
0.03
Vitamin K (µg)
7.2
Vitamin B6 (mg)
0.051
Folate (µg)
14
Calcium (mg)
14
Iron (mg)
0.22
Magnesium (mg)
12
Phosphorus (mg)
21
Potassium (mg)
136
Zinc (mg)
0.17
Selenium (µg)
0.1

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the cucumbers growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Japanese Climbing?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other cucumbers with a comparable time to harvest, so a season that suits Japanese Climbing suits these too.

Browse all 31 cucumbers