Borage

Borago officinalis

herb

verifiedReviewed by the GreenScout Team

An annual herb with soft, hairy stems and attractive blue, star-shaped flowers that bloom prolifically throughout the season. The leaves and flowers are edible with a subtle cucumber-like flavor and are popular in salads, beverages, and as garnishes. Borage self-seeds readily and attracts pollinators, making it valuable in vegetable gardens.

Common Problems

Select the problem your Borage is experiencing to get a treatment guide.

filter_drama

Powdery Mildewchevron_right

compost

Root Rotchevron_right

shower

Overwateringchevron_right

Care Guide

light_mode

Light

Full sun; thrives with 6+ hours of direct sunlight daily.

water_drop

Water

Water moderately; allow soil to dry slightly between waterings once established. Drought-tolerant but produces better foliage with consistent moisture.

compost

Soil

Well-draining soil; tolerates poor to average fertility. pH range 6.0–7.5; avoid heavy clay.

science

Fertiliser

Minimal fertilizer needed; light application of balanced fertilizer (10-10-10) in mid-season encourages continued blooming.

thermometer

Temperature

Annual; warm-season herb preferring 65–75°F; frost kills the plant.

humidity_percentage

Humidity

Low to moderate; prefers drier conditions and good air circulation to prevent fungal issues.

Toxicity

check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children

Non-toxic; all parts are edible and safe for consumption.

Common Diseases

spaPowdery Mildewchevron_right filter_dramaRoot Rotchevron_right

Common Pests

blur_onAphidschevron_right pest_controlSpider Miteschevron_right hiveCaterpillarschevron_right

Seasonal Care

local_floristspring

Resume regular watering and feeding as growth picks up.

light_modesummer

Peak growing season. Water and feed regularly.

ecoautumn

Reduce watering as growth slows. Stop heavy feeding.

ac_unitwinter

Minimal watering and feeding. Protect from frost if needed.

Frequently Asked Questions

What do Borage flowers taste like?

The leaves and flowers are edible with a subtle cucumber-like flavor — the star-shaped blue flowers are popular in salads, beverages, and as garnishes, and bloom prolifically throughout the season.

Why does Borage keep reappearing in my garden?

It self-seeds readily — as an annual that attracts pollinators, Borage often returns on its own year after year once established, making it a low-maintenance addition to vegetable gardens.