50-60days to harvest
7-14 daysdays to germinate
Z2–11USDA zones
Easydifficulty
Heirloom

Sowing

Direct sow after last frost, or start indoors 6-8 weeks before last frost

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
Moderate, drought tolerant once established
Soil
Well-drained loam, tolerates poor soil
Spacing
12-18 inches
Height
1-3 feet
Season
Warm season annual

Appearance & flavour

Colour
Blue and pink
Shape
Small star-shaped flowers
Flavour
Mild, refreshing cucumber flavor with delicate taste.

In the kitchen

Garnish for salads, cold drinks, desserts, frozen in ice cubes

Pests, disease & resistance

Pests
Aphids, spider mites, sawfly larvae
Diseases
Downy mildew, root rot in poorly drained soil

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
2April – MayJune – August—August – September
3April – MayJune – July—July – October
4March – AprilJune – July—July – October
5March – AprilMay – June—June – October
6March – AprilMay – June—June – November
7February – MarchApril – June—June – November
8February – MarchApril – May—May – December
9January – FebruaryMarch – April—April – December
10JanuaryFebruary – April—April – December
11JanuaryJanuary – March—March – December

Companion planting

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

TomatoesBorage repels tomato hornworms and may improve tomato flavor and growth
StrawberriesBorage attracts beneficial insects and may enhance strawberry flavor and yield
SquashBorage attracts pollinators essential for squash fruit production and deters squash bugs
CucumberBorage repels cucumber beetles and attracts pollinators for better fruit set
CabbageBorage deters cabbage worms and other brassica pests while attracting beneficial predatory insects
BeansBorage attracts pollinators and beneficial insects that help control bean pests
PeppersBorage may repel aphids and other soft-bodied insects that attack pepper plants
MarigoldsBoth attract beneficial insects and create a diverse ecosystem that supports garden health

Avoid

Black WalnutJuglone produced by black walnut trees is toxic to borage and inhibits its growth
RueRue can inhibit the growth of borage and other herbs through allelopathic compounds
FennelFennel inhibits growth of most garden plants including borage through allelopathy

Nutrition (per 100 g)

Calories (per 100 g)
23
Protein (g)
3.15
Fat (g)
0.64
Carbohydrate (g)
2.65
Fibre (g)
1.6
Sugars (g)
0.3
Vitamin A (µg)
264
Vitamin C (mg)
18
Vitamin E (mg)
0.8
Vitamin K (µg)
415
Vitamin B6 (mg)
0.155
Folate (µg)
68
Calcium (mg)
177
Iron (mg)
3.17
Magnesium (mg)
64
Phosphorus (mg)
56
Potassium (mg)
295
Zinc (mg)
0.81
Selenium (µg)
0.3

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the herbs 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 Borage?

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

Similar varieties

Other herbs with a comparable time to harvest, so a season that suits Borage suits these too.

Browse all 104 herbs