Seaside Daisy - Erigeron Cape Sebastian

Create Stunning Coastal Gardens with Continuous Blooms from Spring Through Winter

Seaside daisy gives California gardens long-lasting color, low-water performance, and tough coastal resilience in one compact, easy-care plant.

Also known as beach daisy, beach aster, or erigeron glaucus, this native perennial is ideal for Mediterranean gardens, coastal borders, rock gardens, beds, pots, containers, slopes, and sunny spaces exposed to wind and salt spray. Seaside daisies are evergreen perennials that thrive in USDA plant hardiness zones 8 through 10 and can bloom well into winter in mild climates.

Selected for the Pacific Coast, seaside daisy is a practical choice when you want continuous blooming without constant watering, feeding, or fuss.

Why You’ll Love Seaside Daisy

• Drought tolerant once established – Seaside daisy thrives with minimal water after roots settle in, making it perfect for dry California summers and sustainable landscapes.

• Extended blooming season – Seaside daisies exhibit an exceptionally long flowering season, blooming profusely from late spring through summer, with flowers often continuing into winter in mild coastal climates.

• Low maintenance growth – This plant naturally grows into compact, mounding cover that looks full without intensive pruning.

• Built for the coast – This plant is highly adapted to withstand constant maritime winds, intense full sun, and harsh salt spray.

• Pollinator friendly – They provide an excellent nectar source for butterflies, bees, and other beneficial pollinators.

• Useful in tough garden spaces – Seaside daisies are highly resilient, low-growing perennials valued for their continuous lavender-pink to white blooms and ability to stabilize soil, pairing beautifully with other low-maintenance, drought-tolerant ground covers like Autumn Moor Grass.

For homeowners dealing with drought, deer, salt exposure, sandy soil, rocks, crevices, bluffs, or windy coastline conditions, seaside daisy delivers reliable beauty where many other flowers struggle.

What Makes It Different

Most coastal plants either handle harsh conditions but bloom briefly, or they flower beautifully but need regular water, rich soil, and protection from exposure.

Seaside Daisy is different because it combines long-season flowering with the durability of a native Pacific Coast plant:

• Native coastal performance – They are native to coastal bluffs, beaches, and sand dunes stretching from northern California up to Oregon.

• Year-round structure – The foliage of seaside daisies is glossy and grayish-green, and they produce attractive blooms with ice blue, daisy-like petals that may have a lavender or pink tint surrounding a bright yellow center.

• Dense flowering mats – Seaside daisies are prized for their ability to form dense, mounding mats of colorful, pollinator-friendly wildflowers in harsh environments.

• Better coastal tolerance – Compared with many common daisy varieties, erigeron handles salt spray, full sun, wind, and dry soil with less stress.

• Flexible garden use – Plant it along borders, tuck it into rock gardens, let it spill from containers, or use it as a low cover around paths and beds, especially when combined with California lilac (Ceanothus) for a fully native, drought-tolerant look.

The result is a tough, evergreen perennial that looks soft and colorful while performing like a true coastal native.

How to Grow Seaside Daisy

1. Choose a sunny, well-drained site
   Seaside daisies prefer well-draining soil and full sun, but they can tolerate light shade, especially in hot climates. For inland gardens, part shade or afternoon shade helps protect foliage during extreme heat. Avoid soggy soil, and improve drainage with rocks, gravel, or raised beds if needed.

2. Plant with room to spread
   Space each plant so its mature spread can fill in naturally. Seaside daisies (Erigeron glaucus) are low-growing plants that typically reach heights of 6 to 10 inches (15 to 25.5 cm) and have a spread of 1 to 2 feet (0.5 m). After planting, water deeply to help roots establish.

3. Maintain lightly for more blooms
   Water seaside daisies about once a week during dry weather, and apply a 3-inch layer of mulch to keep the soil cool and moist. Once established, reduce water and let the soil dry between watering. Cut spent flowers to encourage fresh blooming from spring into late summer and beyond.

Plant Details

• Botanical name: Erigeron glaucus

• Common names: Seaside daisy, beach daisy, beach aster, seaside fleabane

• Plant type: Evergreen perennial wildflower that complements purple bougainvillea in Mediterranean-style, low-water gardens

• Mature size: Seaside daisies (Erigeron glaucus) are low-growing plants that typically reach heights of 6 to 10 inches (15 to 25.5 cm) and have a spread of 1 to 2 feet (0.5 m).

• Foliage: Glossy, grayish-green, often spoon shaped, with a compact mounding habit

• Flowers: Ice blue, lavender, pink, purple, or white daisy-like petals with bright yellow centers

• Bloom season: Late spring through summer; may continue blooming well into winter in mild climates

• USDA zones: 8 through 10, perfect for many California coast and mild inland gardens

• Sun exposure: Full sun near the coast; light shade or part shade in hotter areas

• Soil: Well-draining soil; sandy, rocky, or coastal bluff-style soil is ideal

• Native range: Coastal bluffs, beaches, dunes, and sand dunes from northern California up to Oregon

• Water needs: Low once established; weekly water during dry weather when needed

• Wildlife value: Attracts butterflies, bees, and other pollinators

• Garden uses: Borders, rock gardens, containers, pots, slopes, crevices, beds, and soil-stabilizing ground cover that pairs well with upright ornamental grasses like Karl Foerster Feather Reed Grass

• Coastal tolerance: Excellent resistance to salt spray, wind, drought, and tough seaside conditions

• Deer resistance: Commonly considered deer resistant, though deer browsing can vary by location and season

Who It’s Perfect For

Ideal for:

• California coastal gardeners who want a native, low-water plant with long-lasting flowers

• Homeowners creating Mediterranean, drought tolerant, or sustainable landscapes

• Property owners dealing with salt spray, wind, sandy soil, beaches, bluffs, or exposed coastline conditions who may also want long-lived coast live oak trees to anchor their native landscape

• Gardeners who want blooming color from spring through late summer, with possible winter flowers in mild climates

• Designers filling borders, rock gardens, pots, containers, slopes, and dry garden beds who may also need evergreen Fern Pine hedges for privacy and structure

• Pollinator-focused gardeners who want to support butterflies, bees, and other pollinators while layering in flowering trees that provide seasonal canopy color

If you want a tough, beautiful, low-growing plant that survives dry conditions, supports pollinators, and keeps your garden colorful with minimal maintenance, seaside daisy is a perfect fit, especially when combined with larger drought-tolerant trees like the California pepper tree for shade and structure.

Frequently Asked Questions

How often should I water seaside daisy?
Water seaside daisies about once a week during dry weather, and apply a 3-inch layer of mulch to keep the soil cool and moist. Once established, seaside daisy becomes drought tolerant and usually needs less frequent water, especially near the coast.

Will it survive California’s dry summers?
Yes. Seaside daisy is adapted to drought, wind, salt spray, and dry coastal conditions. In hotter inland areas, plant it where it receives morning sun and light shade or part shade during the hottest part of the day.

When is the best time to plant?
Early spring is an excellent time to plant seaside daisy because roots can establish before summer heat. Fall is also a strong planting season in mild California climates, especially when winter rains help new plants settle in.

Does it need fertilizer?
Very little. Seaside daisy grows best in lean, well-draining soil and usually does not need regular feeding. Too much fertilizer can create excess foliage and fewer flowers.

Can I grow it in containers?
Yes. Seaside daisy grows well in pots and containers as long as the container has excellent drainage. Use a light, well-draining mix, place the container in sun or light shade, and avoid keeping the soil constantly wet.

Ready to Transform Your Coastal Garden?

Stop struggling with high-maintenance flowers that fade quickly, demand too much water, or fail in salt and wind.

Choose Seaside Daisy for evergreen structure, coastal toughness, pollinator-friendly blooms, and months of color with minimal effort. Yardwork’s online garden center makes it easy to explore a wide selection of trees, shrubs, and perennials, and you can buy plants online with convenient California-focused shipping and support.