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Growing Inspiration
Inspiration for future Agardeni growing environments.
ornamentalFamily: AsteraceaeGenus: SilphiumSpecies: asteriscus
Cultivar
Native Star Silphium
Silphium asteriscus 'Native Star'
Cultivar: Native Star
Native Star Silphium is a robust herbaceous perennial that brings bright, cheerful color to the summer landscape. With its sturdy growth habit and long-lasting yellow flowers, it provides essential habitat for native bees and butterflies. This adaptable plant thrives in full sun and is well-suited for naturalizing in meadows, borders, or pollinator gardens.
Native Star Silphium is a resilient, sun-loving perennial that produces vibrant yellow, daisy-like flowers. It is an excellent choice for adding reliable color and pollinator support to native garden landscapes.
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Grade B never means diseased, pest-infested, dying, materially mislabeled, or otherwise unhealthy plant material.
18-plant pack · Ship
$65.46per pack
$65.46 total
5040 plants available · max 280 packs
Shipping & Delivery
Orders generally ship within 3–7 days after purchase. Agardeni gives priority to USPS Priority Mailfor standard live-plant shipments when practical.
USPS Priority Mail typically has a 2–3 day delivery objective after shipment, but delivery times are not guaranteed.
Weather & Temperature Risk
Agardeni ships from Florida and does not monitor destination temperatures nationwide. Customers are responsible for considering local weather conditions and retrieving packages promptly after delivery.
Agardeni is not responsible for plant damage caused by freezing temperatures, frost, excessive heat, or prolonged exposure to extreme temperatures at the destination.
Inspect live plants promptly after delivery. Eligible plant-condition claims must be submitted within 48 hours of confirmed delivery.
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Cultivar Story
Start with Inspiration. Grow Your Aspiration.
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Marketplace Plant
A realistic representation of the starter plants offered in 18, 36, and 72 plant quantities.
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Aspirational Garden
Grow your aspirational plan into an inspirational garden.
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Plant Detail
A closer look at the fruit, flower, foliage, or mature defining characteristics of this cultivar.
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Repotting / Start Growing
Begin with a starter plant and establish it in a larger pot using quality potting soil with beneficials and fertilizer.
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Start · Plan · Grow
Start with real plants. Plan with current marketplace availability. Grow your aspirational garden.
Cultivar Video
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See this cultivar from starter plant to aspirational garden.
Plant Profile
Grow Native Star Silphium with confidence
Key growing information first, with the complete reviewed cultivar profile available when you want it.
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Sun
Full sun
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Water
Moderate moisture; establish with regular watering but provide good drainage to avoid waterlogged soil.
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Mature size
2-3 feet tall and 2 feet wide
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Hardiness
Zones 5-9
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Growth habit
Clumping perennial
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Plant type
Perennial
View Plant Data
Care, size, flowering, climate, soil, health, and additional reviewed data.
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View Plant Data
Care, size, flowering, climate, soil, health, and additional reviewed data.
Good to know
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Growing note
Best suited for sites with ample sun exposure; ensure good soil drainage to prevent crown rot during winter months.
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Climate note
Tolerates summer heat well and is hardy throughout its designated zones.
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Flower / fruit
Produces bright yellow, composite daisy-like flowers in mid-to-late summer.
Growing & Care
Everyday care, growth, feeding, and pruning guidance.
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Growing & Care
Everyday care, growth, feeding, and pruning guidance.
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Sun / light
Full sun
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Growth rate
Moderate
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Fertilizer
Generally requires little fertilizer; a light application of balanced compost in spring is sufficient.
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Pruning
Cut back dead foliage in late winter or early spring to prepare for new growth.
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Care notes
Best suited for sites with ample sun exposure; ensure good soil drainage to prevent crown rot during winter months.
Size & Habit
How the plant grows and the space it needs at maturity.
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Size & Habit
How the plant grows and the space it needs at maturity.
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Mature size
2-3 feet tall and 2 feet wide
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Growth habit
Clumping perennial
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Spacing
18-24 inches apart
Flower / Fruit
Flowering, fruiting, pollination, bloom, and harvest behavior.
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Flower / Fruit
Flowering, fruiting, pollination, bloom, and harvest behavior.
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Flowering / fruiting
Produces bright yellow, composite daisy-like flowers in mid-to-late summer.
Climate & Hardiness
Cold, heat, chill, and regional growing considerations.
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Climate & Hardiness
Cold, heat, chill, and regional growing considerations.
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Hardiness zones
Zones 5-9
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Temperature
Tolerates summer heat well and is hardy throughout its designated zones.
Soil & Water
Moisture, drainage, soil, and pH preferences.
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Soil & Water
Moisture, drainage, soil, and pH preferences.
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Watering
Moderate moisture; establish with regular watering but provide good drainage to avoid waterlogged soil.
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Soil
Tolerant of various soil types including clay, provided there is adequate drainage.
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Soil pH
6.0-7.5
More Plant Data
19 additional reviewed fields from this Plant.id.
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More Plant Data
19 additional reviewed fields from this Plant.id.
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Container Growing
Can be grown in larger containers, but prefers open ground for full development.
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Family
Asteraceae
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Foliage Look
Textured, bright green, lanceolate leaves
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Foliage Rules
Leaves are alternate, simple, and often rough-textured; maintain natural deep green color.
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Fruit Flower Look
Vibrant, classic yellow composite daisy flowers
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Fruit Flower Rules
Flowers are yellow, composite, and daisy-like; ensure they appear only on mature stems.
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Growth Habit Rules
Maintain an upright, clumping form; avoid depictions of sprawling or vine-like growth.
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Mature Plant Look
Clumping upright perennial with abundant yellow daisy flowers
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Mature Stage Morphology
Upright stems with alternate leaves, culminating in clusters of terminal yellow flower heads.
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Morphology Rules
Botanical accuracy requires consistent leaf shape and clear, sun-loving growth orientation.
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Plant Faqs
Does Native Star Silphium attract bees? Yes, its daisy-like flowers are highly attractive to native bees and butterflies. Is this plant deer resistant? It is generally considered less palatable to deer than many other garden perennials. How much sun does it need? It performs best in full sun conditions to support healthy blooming.
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Root Look
Healthy white roots visible within the starter plug
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Soil Look
Well-draining, dark, organic-rich potting medium
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Starter Stage
Small starter plug with developing root system and emerging green foliage.
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Starter Stage Morphology
Young, lance-shaped leaves with a slightly rough texture, showing compact basal growth.
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Video Voiceover Script
Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Native Star Silphium. This is Native Star Silphium, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let Native Star Silphium become part of your aspirational plan, helping you imagine the bright, pollinator-friendly landscape you want to create. These vibrant yellow, daisy-like flowers are the hallmark of this native perennial, providing a cheerful, sunny display throughout the summer. Establish your starter plug in a four-inch pot with quality, well-draining soil, then move it to a sunny, permanent location in your landscape once established. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.
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Youtube Tags
Silphium Native Star Native Perennial Yellow Flowers Pollinator Garden Agardeni Gardening Tips Herbaceous Perennial Sun Loving Plants Landscape Design
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Youtube Video Summary
Discover the reliable, sun-loving Native Star Silphium. This native perennial is a garden powerhouse that supports pollinators with its bright yellow flowers.
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Youtube Video Title
Growing Silphium asteriscus Native Star | Agardeni
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Future Buyer Brand Sellers
Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.