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Silverdust Dusty Miller is a compact, frost-tender annual that brings silvery elegance to gardens across zones 8-10. Native to the warm Mediterranean, this cultivar grows into neat 8-10 inch shrubs clothed in finely cut, snowflake-like foliage with a frosted white appearance that catches light beautifully. It reaches its full ornamental glory in roughly 56 to 80-89 days, depending on growing conditions, and thrives in full sun with minimal water once established. Whether you're edging borders, softening container arrangements, or creating focal points along walkways, Silverdust brings a crisp, architectural quality that plays well with vibrant flowering neighbors.
Full Sun
Low
8-10
10in H x ?in W
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Low
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The finely dissected, feathery leaves give this dusty miller an almost ethereal quality, like frost captured in plant form. It's remarkably drought-tolerant and heat-loving, making it shine in dry summers where other foliage plants wilt. At just 8-10 inches tall with a naturally compact habit, it fills tight spaces and containers without sprawling. The silvery-white coloring doesn't fade or lose its impact as summer progresses; instead, it intensifies, providing consistent visual contrast from planting time through fall.
Silverdust Dusty Miller serves primarily as an ornamental foliage plant and accent in garden design. It's widely used as a fresh cut filler in floral arrangements, where its delicate, silvery fronds add texture and color contrast. In the garden itself, it functions as an excellent bedding plant for creating cohesive borders and transitions between beds, and its compact size makes it particularly well-suited to mixed container plantings on patios, walkways, and entryways.
No timeline data available yet for this variety.
Sow seeds indoors 8-10 weeks before your last spring frost. Do not cover the seeds, as light is required for germination; a light dusting of vermiculite can help retain moisture without burying them. Bottom water or mist gently to avoid displacing the seed. Germinate at 65°F. Transplant seedlings into cell packs or larger containers once the first true leaves appear, keeping foliage dry to reduce fungal risk.
Harden off seedlings gradually by exposing them to outdoor conditions over 7-10 days. Transplant after the danger of frost has passed and soil has warmed; this annual is half-hardy and will not tolerate freezing temperatures. Space plants 9 inches apart (or 18 inches for fuller coverage) and water gently at the base to establish roots.
Direct seeding is not recommended for this variety; transplanting from indoor-started seedlings ensures better germination and vigor.
For fresh or dried cut foliage, harvest stems at your desired length whenever you need filler material. Stems can be used immediately fresh or hung upside down in a cool, dry location to dry completely for longer-lasting dried arrangements.
Silverdust Dusty Miller's naturally compact, bushy habit requires minimal pruning. Pinch back stem tips early in the season if you want a denser, fuller plant, or leave it to develop its natural mounded shape. Remove any leggy or damaged growth as needed.
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