Pet Safe
moderate Care
astilbe
Astilbe arendsii 'Amethyst'
Astilbe arendsii 'Amethyst' is an amazing variety of astilbe. It produces gorgeous, deep purplish-pink flower blooms from mid to late summer that look like mini plumes. It is also a robust, cold-tolerant perennial with attractive, glossy green foliage. This shade loving plant is easy to maintain and can bloom for years with minimal care. It also makes a great addition to shady areas where other varieties may struggle. Astilbe arendsii 'Amethyst' is a stunning and versatile plant that brings life and colour to the garden.
Sunlight
Shade
Water Needs
medium
USDA Hardiness Zones
Zone 4Zone 5Zone 6Zone 7Zone 8
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 4Zone 5Zone 6Zone 7Zone 8
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Water Every
"3-4" days
Sun Needs
shade
Growth
High
Care Level
Low
Watering Schedule
Frequency
Day 1"3-4" daysDay NaN
💧 Water every "3-4" days
Seasonal Adjustments
Adjust watering frequency based on temperature, humidity, and season. Water more frequently in summer and less in winter.
Pro Tip: Check soil moisture before watering. Stick your finger 1-2 inches into the soil—if it's dry, it's time to water!
Season
Fall
Sep Oct Nov
Winter
Dec Jan Feb
Spring
Mar Apr May
Summer
Jun Jul Aug
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pruning Time
How to Propagate
Division
Divide root ball in spring, replant sections immediately
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Seed Propagation
Start seeds indoors 6-8 weeks before last frost date
Layering Propagation
Bend stem to soil surface, cover lightly, roots form in 4-6 weeks
Is This Plant Right for You?
Good For:
- •Homes with pets
- •Low-maintenance gardens
Consider Carefully:
- •Indoor growing
- •Infrequent watering
Bloom Seasons
Care Tips
Light Requirements
Prefers less than 3 hours of direct sunlight. Perfect for north-facing areas or under trees.
Watering
Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry.