Santolina chamaecyparissus

Features and care

Santolina chamaecyparissus, known as cotton lavender, is a small, aromatic, evergreen, rounded Mediterranean shrub. Its silvery foliage makes it useful in borders, rockeries, gravel gardens, pots and low-water plantings where colour and texture contrast is desired.

It develops dense branches covered in very small, finely cut, felted, greyish-green to silvery leaves. Slender peduncles topped by rounded, golden-yellow flower heads rise above the mound. Flowering takes place between spring and summer, depending on climate and the timing of new growth.

It needs full sun and dry soil with excellent drainage. Watering should be very low and spaced out, cut back almost entirely in winter to keep the crown dry. It reaches 0.3 to 0.6 m and shows medium growth. It adapts to USDA zones 6–9 and tolerates moderate cold when the ground stays aerated. It suits dry environments, with very low tolerance to sustained ambient humidity.

At Ornacom we cultivate each specimen directly, guaranteeing a balanced size and abundant flowering from the first years of planting.

Extended species profile

Verified cultivation data, designed so any visitor can see at a glance whether the plant suits their climate and garden.

Cultivation

Exposure

Full sun

Watering

ORN-RIEGO 1/5 · very low — very spaced-out watering; cut back almost entirely in winter

Soil / moisture

Dry; excellent drainage

Flowering

Spring and summer

Climate

USDA hardiness

Zones 6 – 9

Compatible climates

Csa, Csb, BSh

Humid climate tolerance

ORN-HUM 1/5 · very low

Maintenance

Growth

ORN-ALT 1/5 · 0.3-0.6 m · medium growth

Pests

ORN-PLAGA 2/5 · low — occasional leafhoppers/scale insects and crown rot from excess water

Fertilising

ORN-ABONO 1/5 · very low — moderate application in spring only if the soil is poor; avoid excess N

  • Warning

Ambient humidity, shade and wet soil cause the mound to open and rot; prune without cutting into old wood.

Extended species profile

Verified cultivation data, designed so any visitor can see at a glance whether the plant suits their climate and garden.

Cultivation

Exposure

Full sun

Watering

ORN-RIEGO 1/5 · very low — very spaced-out watering; cut back almost entirely in winter

Soil / moisture

Dry; excellent drainage

Flowering

Spring and summer

Climate

USDA hardiness

Zones 6 – 9

Compatible climates

Csa, Csb, BSh

Humid climate tolerance

ORN-HUM 1/5 · very low

Maintenance

Growth

ORN-ALT 1/5 · 0.3-0.6 m · medium growth

Pests

ORN-PLAGA 2/5 · low — occasional leafhoppers/scale insects and crown rot from excess water

Fertilising

ORN-ABONO 1/5 · very low — moderate application in spring only if the soil is poor; avoid excess N

  • Warning

Ambient humidity, shade and wet soil cause the mound to open and rot; prune without cutting into old wood.

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