How much sun does Santolina chamaecyparissus need?
It requires full sun, meaning at least six hours of direct sunlight per day, to maintain its dense, silvery foliage and produce abundant flowers.
Lavender-Cotton (Santolina chamaecyparissus)
Santolina chamaecyparissus, or Grey Santolina, is a compact, aromatic evergreen shrub. It features silvery-grey foliage and bright yellow, button-like summer flowers. Thr
Above information is sourced from Wikipedia
Sunlight
Requires full sun for at least 6 hours daily to thrive and maintain dense foliage.
Watering
Water sparingly once established, allowing soil to dry out completely between waterings. Drought tolerant.
Soil
Well-drained, sandy, poor to moderately fertile soil. Tolerates alkaline soil.
Temperature
Prefers warm temperatures, hardy to -15°C. Protect from extreme cold.
Habitat
Outdoor
Fertilizer
Minimal fertilization needed; a light application in spring is sufficient.
Care Requirements
Light
Requires full sun for at least 6 hours daily to thrive and maintain dense foliage.
Water
Water sparingly once established, allowing soil to dry out completely between waterings. Drought tolerant.
Soil
Well-drained, sandy, poor to moderately fertile soil. Tolerates alkaline soil.
Temperature
Prefers warm temperatures, hardy to -15°C. Protect from extreme cold.
Habitat
Outdoor
Fertilizer
Minimal fertilization needed; a light application in spring is sufficient.
Plant Overview
Plant Type
Shrub
Plant Category
Ornamental
Plant Place Type
Ground, Garden, Pot, Groundcover
Plant Environment
Outdoor
Lifespan
Perennials
Plant Height
0.3-0.6 m
Spread
0.6-0.9 m
Growth Rate
Medium
Leaf Color
Grey, Silver
Leaf Type
Pinnate
Flower Size
1-2 cm
Optimal Sunlight Lux
75000
Image Gallery
Flowering & Fruiting Cycles
Monthly activity intensity for bloom and fruit across both hemispheres.
Northern hemisphere
Flowering & fruiting calendar
Peak bloom · JulPeak fruit · Aug
FloweringFruiting
Southern hemisphere
Flowering & fruiting calendar
Peak bloom · JunPeak fruit · Jul
FloweringFruiting
Synonyms
Achillea chamaecyparissus (L.) Rchb.f.
Taxonomy
- kingdomPlantae
- divisionTracheophyta
- classMagnoliopsida
- orderAsterales
- familyAsteraceae
- genusSantolina
- speciesSantolina chamaecyparissus
Toxicity
Toxic for humans
No
Rating: 0/5
Toxic for pets
No
Rating: 0/5
Edible
No
Non-toxic to pets and humans.
Additional Care Tips
Santolina chamaecyparissus is highly drought-tolerant once established. Water newly planted specimens regularly until their root systems are developed. After establishment, reduce watering significantly, allowing the soil to dry out completely between applications. Overwatering can lead to root rot, so ensure excellent drainage. In hot, dry climates or when grown in containers, more frequent watering may be necessary.
Regular pruning is crucial for maintaining the compact, mounded shape and encouraging dense, silvery foliage. Shear the plant lightly after its summer bloom to remove spent flowers and prevent seed formation, which can divert energy. In early spring, before new growth begins, perform a more substantial prune, cutting back by about one-third to promote vigor and prevent the plant from becoming woody or leggy. Avoid cutting into very old, bare wood.
Santolina chamaecyparissus is easily propagated by semi-hardwood cuttings taken in late summer or early autumn. Cuttings should be 10-15 cm long, stripped of lower leaves, and dipped in rooting hormone before planting in a well-draining propagation mix. Keep the medium consistently moist and provide warmth until roots develop, typically within a few weeks.
For container-grown Santolina, repotting may be necessary every 2-3 years to refresh the soil and provide more root space. Choose a pot only slightly larger than the previous one, as Santolina prefers to be somewhat root-bound. Use a well-draining potting mix. Repot in early spring before new growth begins, being careful not to disturb the roots excessively.
FAQs
Is Santolina chamaecyparissus drought tolerant?
Yes, once established, Grey Santolina is highly drought-tolerant and prefers well-drained soil that dries out between waterings. Overwatering can lead to root rot.
When should I prune my Santolina?
Prune lightly after flowering to remove spent blooms. A more significant shaping or renovation prune should be done in early spring before new growth begins, cutting back by about one-third.
Can Santolina chamaecyparissus be grown in pots?
Yes, it grows well in containers, provided they have excellent drainage and the plant receives full sun. Ensure consistent watering for potted plants, as they dry out faster.
Is Santolina chamaecyparissus toxic to pets?
No, according to the ASPCA, Santolina chamaecyparissus is considered non-toxic to dogs, cats, and horses.