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Blue sage

Salvia africana-caerulea

Blue sage is a great addition to any garden with its pretty blue flowers. This low maintenance plant is easy to grow, drought-tolerant and attracts bees and butterflies. It has a long flowering period, from mid-winter to mid-summer, creating a pretty blue addition to your garden for long periods of time. The leaves are also edible and have medicinal properties.

Planning

Difficulty
Easy
Flowering time
Spring, Summer, Autumn
Fruiting time
Autumn

Harvesting

Leaves can be harvested year-round, simply pluck or cut them from the plant when needed. They are best when harvested before the plant flowers when the essential oil content of the leaves is at the highest.

Propagation

Cuttings
Take cuttings from new growth near the base of the plant in spring or early summer. They root easily and respond well to regular feeding with an organic fertilizer.
Seed
Sow seeds indoors in autumn, spring or early summer in well-drained soil and keep moist. Transplant seedlings into the garden after a few weeks once they are strong enough.
Layering
Blue sage can be propagated through air layering.

Special features

Drought resistant
The plants are drought-tolerant​ and need little water.
Pot plant
Sage makes a great and attractive pot plant, provided the container is large enough and well-drained.
Attracts useful insects
The flowers attract bees and butterflies.
Hedge plant
Makes a neat low-growing hedge and can be trimmed into shapes.

Geography

Origin
Africa, South Africa
Natural climate
Mediteranean

Environment

Light
Full Sun, Partial Sun
Soil moisture
Dry
Soil type
Clay, Loam, Sand
Soil PH preference
Neutral
Frost hardiness
Hardy

Uses

Notes
Medicinal plant and to flavour food.

Personality

Family
Lamiaceae
Flower colour
Blue, bluish-purple or bluish-white.
Scent
Mild

Problems

Blue sage doesn't suffer from serious pest or disease problems but can be affected by crown gall and mint rust.

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