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Mountain Sandwort

Arenaria montana

SKU
00302
A robust, mat-forming, herbaceous perennial with ground-hugging stems covered by glossy gray-green foliage. Glistening, pure white, star-like flowers add interest in late spring to early summer. An ideal sun-tolerant substitute for moss - perfect for use in rock gardens, to quickly fill in between stepping stones, or as a groundcover.
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4-7

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Full sun, Partial sun

Water regularly - weekly, or more often in extreme heat or containers.

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Botanical Pronunciationar-en-AR-ee-uh MON-tah-nuh
Average Size at MaturityModerate growing; reaches 2 to 6 in. tall, spreading 8 to 12 in. wide.
Bloom TimeLate Spring to Early Summer
Design IdeasA wonderful substitute for moss in sunny areas, this shallow rooted perennial is ideal for trough gardens, or tucking in between stepping stones or crevices, where it will quickly fill or trail down the sides of a rock wall. Snowy white flowers provide a tremendous spring show, especially when the plants are massed in a border or as ground cover. Exceptional understory for spring-flowering bulbs!
Deciduous/ EvergreenHerbaceous
Flower AttributeShowy Flowers
Flower ColorWhite
Foliage ColorGreen
Garden StyleAsian/Zen, Contemporary, Cottage, Rustic
Growth HabitMounding, Spreading
Growth RateModerate
Landscape UseBorder, Container, Rock Garden, Accent, Edging, Ground Cover, Hanging Basket
Light NeedsFull sun, Partial sun
Special FeatureAttracts Butterflies, Easy Care, Extreme Cold Hardiness
Water NeedsModerate
Watering NeedsWater regularly - weekly, or more often in extreme heat or containers.
Companion PlantsCranesbill (Geranium); Creeping Phlox (Phlox subulata); Basket of Gold (Aurinia); Coral Bells (Heuchera); Shasta Daisy (Leucanthemum); Pink (Dianthus)

Thrives in well-drained soil. Water consistently during warm, dry periods; taper as the weather cools. Once well established, tolerates drier soil conditions. Space 3 to 6 inches apart as a groundcover; control weeds until plants fill in. Feed lightly with an all-purpose fertilizer in spring; repeat in summer.

This Plant's Growing Zones: 4-7

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant