Borage

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A magnet for pollinators

Borage flowers produce abundant nectar and attract bees and other pollinators, benefiting nearby crops.

It comes back on its own

Once established, borage often self-seeds freely. You may find new plants popping up next season.

Pick young for best taste

Older leaves become rough and hairy. Young leaves are tender and have a mild cucumber-like flavor.

Thrives even in modest soil

Borage is not very demanding and can grow well even in poorer soils, though it benefits from some compost.

Deep roots improve soil

Its deep taproot can help loosen soil and bring nutrients up, making it a useful companion plant.

Pick to keep it blooming

Regular harvesting of flowers encourages the plant to keep producing new blooms over a long period.

Overview

Size (cm): 50 cm width · 80 cm height
Comfort temperature: 10-25 C
Temperature limit: -5 C
Planting temperature: 8 C
Germination time (days): 7

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General

Borage is a fast-growing annual herb known for its bright blue star-shaped flowers and cucumber-flavored leaves. It is widely valued in gardens for attracting pollinators and improving biodiversity. It often self-seeds and returns year after year without much effort.

Light

Full sun to partial sun.

Soil type

Well-drained soil; tolerates poor soils but prefers some organic matter.

Water requirement

Low to moderate; drought tolerant once established.

Nutrient requirement

Low to moderate; too much fertilizer reduces flowering.

Precultivation

Usually direct sown because of its taproot. If started indoors, sow in deep pots and transplant carefully while young. Germination is quick at moderate temperatures and requires consistent moisture.

Planting

Sow directly outdoors when soil warms above about 8°C. Choose a sunny or lightly shaded location. Space plants about 30–50 cm apart. Water well after sowing and during establishment.

Pruning

No pruning required. Pinching tips may encourage bushier growth, but is not necessary.

Maintenance

Borage is easy to grow and requires minimal care. Water during prolonged dry periods. Avoid over-fertilizing. It may grow large and floppy, so provide space or light support if needed.

Harvest

Harvest young leaves regularly for fresh use. Flowers can be picked throughout the season and used fresh as garnish or in drinks.

Common issues

Generally pest-resistant. May become leggy or flop in rich soil. Self-seeding can lead to many volunteers if not managed.

Rotation schedule

No strict rotation needed, but rotate annually with other crops for general soil health.

Pollination

Insect-pollinated; highly attractive to bees.

Companion plants

Tomato, squash, strawberry, cabbage, beans.

Incompatible plants

No major incompatibilities; avoid overcrowding.

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