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Brachyscome iberidifolia (Swan River Daisy)

Swan River Daisy

Swan River Daisy, Swan River Daisies, Daisy, Daisies, Brachyscome iberidifolia, Austalia Native Plant

What is a Swan River Daisy?

Brachyscome iberidifolia, commonly known as the Swan River Daisy, is a perennial or annual herbaceous flowering plant in the Asteraceae family. It is native to Western Australia, particularly around the Swan River region. This plant grows naturally in open woodlands, grasslands, and along the edges of watercourses.

Description: The Swan River Daisy has fine, green, feathery foliage that forms a low mound. The plant bears small, daisy-like flowers that come in shades of blue, pink, purple, and white.

Size: The Swan River Daisy typically grows 12-18 inches (30-45 cm) tall and wide.

Flowers: The flowers are fragrant, small, daisy-like, and measure about 1 inch (2.5 cm) across. They have a yellow center, surrounded by colorful ray florets that can be blue, pink, purple, or white. Flowers bloom for 3-4 weeks and are so profuse that they often cover the foliage.

Blooming season: The Swan River Daisy blooms from late spring to frost, with the peak season being from May to July.

Hardiness: This plant is considered to be hardy in USDA hardiness zone 9-11. During the growing season, Swan River Daisy prefers temperatures ranging from 60°F to 75°F (16°C to 24°C) for optimal growth and flower production. It may languish in extremely hot and humid conditions.

Uses: Brachyscome iberidifolia is popularly used as a bedding plant in rock gardens and as a filler in mixed borders. It is also suitable for containers.

Why Should I Grow Swan River Daisies?

There are several reasons why you might want to consider planting Swan River Daisy in your garden:

Aesthetics: The plant produces an abundance of small, daisy-like flowers, adding a delightful splash of color to your garden.

Pollinator attraction: The nectar-rich flowers attract a variety of pollinators, such as bees, butterflies, and hoverflies, which can help boost the overall health and biodiversity of your garden.

Easy to grow: This plant is relatively easy to grow, making it a great choice for novice gardeners or those looking for a fuss-free addition to their garden.

Versatility: The Swan River Daisy is suitable for various garden settings, such as flower beds, rock gardens, mixed borders, and containers, offering flexibility in terms of garden design.

Extended blooming season: With a blooming season that lasts from spring to late summer, Swan River Daisies provide color and visual interest in your garden for an extended period.

When to Plant 

Swan River Daisy can be planted after the last frost if you’re sowing seeds directly outdoors. If you prefer to start seeds indoors, sow them 6-8 weeks before the last expected frost date in your area. Transplant the seedlings outdoors once they have at least two sets of true leaves and the danger of frost has passed.

Where to Plant 

Sunlight: This plant thrives in full sun to light shade. For optimal flower production and overall plant health, provide at least 6-8 hours of direct sunlight per day.

Soil: Plant Swan River Daisy in organically rich, well-draining soil. It can tolerate a range of soil types, from sandy to loamy, but good drainage is crucial to avoid root rot.

Placement: Swan River Daisy can be planted in flower beds, mixed borders, rock gardens, or containers.

How to Plant 

  • Prepare the planting site by loosening the soil to a depth of 12 inches (30 cm) and amending it with compost or well-rotted manure to improve drainage and fertility.
  • If sowing seeds directly outdoors, scatter the seeds thinly over the prepared soil and lightly cover them with a thin layer of soil or fine compost.
  • Keep the soil consistently moist until germination, which usually occurs within 2-3 weeks.
  • Thin the seedlings to a spacing of 12-18 inches (30-45 cm) apart once they have developed at least two sets of true leaves. This spacing will allow adequate air circulation and room for growth.
  • If transplanting seedlings started indoors, gently remove the seedlings from their containers, taking care not to damage the delicate roots. Plant them at the same depth as they were in their containers and space them 12-18 inches (30-45 cm) apart.
  • Water the transplanted seedlings thoroughly to help them settle into their new location.

Swan River Daisy Care

Caring for Swan River Daisy is generally straightforward. Here are some essential care tips to help you maintain healthy, blooming plants:

Watering: Although the Swan River Daisy can tolerate some drought, it performs best with consistent moisture. Keep the soil consistently moist but not waterlogged. Allow the top inch of soil to dry out between waterings.

Fertilizing: Apply a balanced, slow-release fertilizer in early spring to promote healthy growth and abundant flowering. Alternatively, you can use a liquid fertilizer at half strength every 4-6 weeks during the growing season.

Deadheading: Remove spent flowers regularly to encourage continuous blooming throughout the season and maintain a tidy appearance.

Pruning: Regularly pinch out the growing tips of young Swan River Daisy plants to promote a well-rounded and bushy growth habit. After the initial early summer bloom, trim away spent flowers to stimulate continuous flowering. Diligent and consistent deadheading can extend the plant’s blooming period well into the fall season.

Pest and disease control: The Swan River Daisy is relatively pest and disease-resistant. However, keep an eye out for common garden pests such as aphids, slugs, and snails, and treat them accordingly. Good air circulation and well-draining soil can help prevent fungal diseases.

Overwintering: In regions with cold winters (below USDA hardiness zone 8), treat the Swan River Daisy as an annual or bring container-grown plants indoors to protect them from frost.

By following these care tips, you can maintain healthy, vibrant Swan River Daisy plants and enjoy their charming, colorful flowers throughout the blooming season.

How to Propagate Swan River Daisy

Propagating Swan River Daisy (Brachyscome iberidifolia) can be done through seeds or cuttings. Here’s how to propagate using both methods:

Seeds

  • Sow seeds directly outdoors after the last frost in your area. Scatter the seeds thinly over the prepared soil and lightly cover them with a thin layer of soil or fine compost.
  • Alternatively, start seeds indoors 6-8 weeks before the last expected frost date. Plant the seeds in seed trays or small pots filled with a seed-starting mix or well-draining potting soil. Cover the seeds lightly with soil or compost.
  • Keep the soil consistently moist until germination, which usually occurs within 2-3 weeks. Provide a bright light source, such as a sunny windowsill or grow light, to encourage healthy seedling growth.
  • Thin the seedlings to a spacing of 12-18 inches (30-45 cm) apart once they have developed at least two sets of true leaves. This spacing allows adequate air circulation and room for growth.
  • Transplant the seedlings outdoors once the danger of frost has passed and they have at least two sets of true leaves.

Cuttings

  • Take softwood cuttings in late summer or early fall. Choose healthy, non-flowering stems, and make a clean cut about 3-4 inches (7.5-10 cm) below a leaf node.
  • Remove the lower leaves from the cutting, leaving only the top 2-3 pairs of leaves.
  • Dip the cut end of the cutting in rooting hormone powder, which can help encourage faster root development.
  • Insert the cutting into a small pot filled with a well-draining potting mix or a mixture of half perlite and half peat moss.
  • Water the cutting thoroughly and cover the pot with a clear plastic bag or place it in a propagator to maintain high humidity around the cutting.
  • Place the cutting in a warm location with bright, indirect light. Avoid direct sunlight, as it may cause the cutting to overheat or dry out.
  • Check the cutting regularly for root development, which usually occurs within 3-4 weeks. Gently tug on the cutting to see if it resists being pulled out – this is a sign that roots have formed.
  • Once roots have developed, remove the plastic bag or take the cutting out of the propagator, and allow the cutting to acclimate to normal humidity levels. Transplant the cutting to a larger pot or directly into the garden.

By following these propagation methods, you can successfully propagate Swan River Daisy and enjoy additional plants in your garden or share them with friends and family.

Requirements

Hardiness 9 - 11
Heat Zones 1 - 11
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals, Perennials
Plant Family  Asteraceae
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early, Mid, Late)
Fall
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 12" - 18"
(30cm - 50cm)
Maintenance Average
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy, Evergreen
Attracts Bees, Butterflies, Hummingbirds
Garden Uses Beds And Borders, Patio And Containers
Garden Styles City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden
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Do I Need?

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Requirements

Hardiness 9 - 11
Heat Zones 1 - 11
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals, Perennials
Plant Family  Asteraceae
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early, Mid, Late)
Fall
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 12" - 18"
(30cm - 50cm)
Maintenance Average
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy, Evergreen
Attracts Bees, Butterflies, Hummingbirds
Garden Uses Beds And Borders, Patio And Containers
Garden Styles City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden
How Many Plants
Do I Need?

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    Create a membership account to save your garden designs and to view them on any device.

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