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Amethyst Kiss™ Spiderwort

Tradescantia 'Radtrad'

Nature Hills Nursery
$3025
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: Aim for 4–6 hours of direct morning sun or all-day dappled sun. In cooler climates (Zones 3–5), full sun is excellent for maximizing blooms, but in hot, southern regions (Zones 7–9), afternoon shade is essential to prevent leaf scorch and premature summer dormancy.
  • Soil: This plant is adaptable but performs best in soil that is rich, fertile, and, most importantly, consistently moist yet well-drained. If you have heavy clay, amend the area generously with compost and peat moss to improve drainage and prevent the roots from becoming waterlogged.

Watering Requirements

For newly planted stock, keep the soil consistently and reliably moist through the first growing season to ensure robust root establishment. Once mature, Amethyst Kiss™ is moderately drought-tolerant, but to maintain its incredibly long bloom period from early summer to frost, provide consistent moisture. Inconsistent watering, especially during summer heat, will cause the foliage to look ragged, reduce the size of the daily blooms, and may send the plant into early dormancy.

Pruning Tips

Spiderwort blooms on new wood, meaning the flowers appear on the current season's growth. The primary pruning technique is the "Chelsea chop" or mid-season shearing: once the first major flush of blooms slows down in mid-summer, cut the entire plant back by about one-third. This removal of leggy, spent foliage encourages a dense, bushy second flush of growth and ensures a tidy, heavy rebloom that can last until fall.

Fertilizer Needs

Apply a balanced, slow-release granular perennial fertilizer (such as a 10-10-10 or 14-14-14 NPK ratio) in early spring as new growth emerges. A single, moderate feeding is usually sufficient to fuel the entire growing season. What to avoid: Do not apply high-nitrogen liquid fertilizer late in the season, as this encourages soft, new growth that is highly susceptible to damage from an early frost.

Delivery and Shipping

Preorder Shipping Schedule

We ship your plants when it's safe to transport them to your zone. Dates are estimated and subject to weather delays.

Zone 3-4 Week of March 30th
Zone 5 Week of March 16th
Zone 6-12 Week of March 2nd


Shipping Rates

Ships in 3-4 business days • Tracking provided • Weather protected

Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
$199+ FREE

✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee
Plant Sentry Protected

Plant Sentry™ Protected

Your order is protected by our compliance system that:

  • Prevents restricted plants from shipping to your state
  • Ensures plants meet your state's agricultural requirements
  • Protects gardens from invasive pests and diseases

Learn more about Plant Sentry™

Lovely Tri-Petaled Beauties Amethyst Kiss Spiderwort!

  • Unique 3-Petaled Amethyst Blooms
  • Long Grass-Like Bright-Green Foliage
  • Forms Large Clumps
  • Easy Care & Low Maintenance
  • Very Long Bloom Period!
  • Full Sun to Full Shade!

Amethyst Kiss Spiderwort (Tradescantia 'Radtrad') is a unique and adaptable native selection that produces large clusters of amethyst blooms! Each with 3 petals in amethyst, with bright yellow stamen highlighting each center!

Clusters of cheery blooms rise above thin foliage of bright green! Forming clumps, these tolerant beauties thrive about anywhere!

Longest blooming of all Spiderwort, Amethyst Kiss starts early summer through falls frost!

How to Use Amethyst Kiss Spiderwort In The Landscape

Clump-forming 'spidery' foliage is perfect as border plants and vibrant additions to Perennial and Cottage gardens!

Tolerating occasional wet soil, that tricky spot by the gutters or a Rain garden are both fitting locations for these moisture-loving perennials!

Fantastic in containers, these unique blooms add whimsy and curiosity plus loads of pollinators!

#ProPlantTips For Care

Growing in USDA zones 3-9, Amethyst Kiss tolerates a wide amount of sunlight, full sun plants in cooler climates, and full shade in hot zones and grow in any amount of sun in between.

Best in organically rich, fertile soil that is consistently moist but well-drained and even tolerant of slightly acidic soils.

Amethyst Kiss Spiderwort is a fantastic long-blooming addition to your garden this year! For a unique and colorful native perennial with superb adaptability, order yours from Nature Hills today!

Growing Zones 3-9

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