Although related to culinary rosemary, coastal rosemary (Westringia fruticosa) is not edible. However, it is a hardy shrub with white hairy flowers that grows in coastal areas and on sand dunes. Coastal rosemary thrives in a variety of soil types and flowers year round.
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Spring, Fall
Harvest Time
2 m
Plant Height
1.8 m to 3.5 m
Spread
Green
Leaf Color
2 cm
Flower Size
White, Blue
Flower Color
Green, White, Blue
Stem Color
Non-dormant
Dormancy
Evergreen
Leaf type
20 - 38 ℃
Ideal Temperature
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Culture
Quickly Identify
Care Guide
FAQs
Common Diseases
Images of Coastal rosemary
Culture
Garden Use
Coastal rosemary bushes are generally planted for their profusion of showy flowers, their attractiveness to bees and other pollinators, and their spicy scent. They can be used as hedging, in rock gardens, or as specimen plants.
Symbolism
remembrance, friendship, love
Interesting Facts
Just like rosemary, coastal rosemary is adapted to dry conditions and therefore is prized as a tough, drought-tolerant garden plant. With numerous selected cultivars, Westringia fruticosais mostly used for garden hedges or as a rock garden plant.
Name Story
Australian rosemary||Coastal rosemary||Coastal westringia: Coastal rosemary got its common name from the similarity to the rosemary (Salvia rosmarinus). Not only Westringia fruticosa forms a bush similar to rosemary but the white flowers also resemble rosemary flowers and the leaves are thin and long. However, although similar in appearance, coastal rosemary doesn't have a specific aroma as rosemary does.
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Quickly Identify Coastal rosemary
1
Dense, bushy growth reaching 4-6 feet (1.2-1.8 meters) in height.
2
Linear, dark gray-green leaves resembling rosemary foliage.
3
Small white flowers, 2 cm (0.8 inches) across, blooming along branches.
4
Flowers with brown spots, axillary, and bilabiate shape.
5
Leaves lanceolate, 0.8 inches (2 cm) long, arranged in whorls of four.
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Water:
Originating from Australia, coastal rosemary thrives in dry conditions and requires watering every 1-2 weeks. As an evergreen shrub, it flourishes outdoors, benefiting from natural rainfall without the need for high humidity to maintain its foliage year-round.
Fertilize:
Coastal rosemary thrives on high nitrogen fertilizers for foliage growth. Use a slow-release formula in spring, followed by monthly feedings. Reduce feeding in fall and winter. Avoid direct contact with foliage when applying, and monitor the plant's response to adjust fertilization accordingly.
Pruning:
Coastal rosemary thrives with regular pruning, ideally in late spring after flowering. Trim one-third of the plant to enhance density and remove weak branches, ensuring clean cuts to reduce disease risk. This practice fosters a healthier, more visually appealing plant, suitable for hedges or as standalone features.
Propagation:
Coastal rosemary propagates best in spring and summer via cuttings, which is moderately easy. Success is marked by new growth. A well-draining soil mix and consistent moisture are essential for optimal rooting of the cuttings.
Repotting:
Repot coastal rosemary every 2-3 years in spring to support its moderate growth. Use a slightly larger pot with good drainage. Water thoroughly after repotting and place in bright light, avoiding direct midday sun for the first few weeks to establish roots.
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