Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

Thriller Lady's Mantle

Alchemilla mollis 'Thriller'

Vivid golden yellow flowers held on stems in open, airy sprays above the scalloped, shiny, gray-green leaves. Its creeping habit and form is valuable for edging a border or along flagstone paths. Charming in troughs or pots. Perfect for cottage gardens. Cut flowers are lovely in dried floral arrangements. An herbaceous perennial.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More

Good to grow! 6


Full sun, Partial sun

Water regularly to maintain evenly moist soil - weekly, or more often.


Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.

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Botanical Pronunciational-kem-ILL-uh MAW-liss
LoreAlchemilla was so named because its natural silvered leaf was thought to influence metals in the ancient art of alchemy.
Average Size at MaturityFoliage reaches 1 to 2 ft. tall and wide; flowers rise above foliage.
Bloom TimeSummer
Design IdeasLady's mantle is a traditional component of the English perennial border. It also does well popping out between large flagstones or in crannies along the base of old walls. These plants are wonderful in masses within a naturalistic setting offering unique textural variations to wild garden compositions. Ideal for water garden edges and nooks and crannies of moist waterfalls and pools. Makes a casual edging for walks and path and is also charming in red clay pots.
Deciduous/ EvergreenHerbaceous
Flower AttributeFlowers for Cutting, Showy Flowers
Flower ColorYellow
Foliage ColorGray-green
Garden StyleCottage
Growth HabitSpreading
Growth RateFast
Landscape UseBorder, Mass Planting, Woodland Garden, Cutting Garden, Edging, Ground Cover
Light NeedsFull sun, Partial sun
Soil NeedsFlower & Rose Food
Special FeatureExtreme Cold Hardiness, Naturalizes Well, Fast Growing
Water NeedsModerate
Watering NeedsWater regularly to maintain evenly moist soil - weekly, or more often.
Companion PlantsBarberry (Berberis); Astilbe (Astilbe); Aster (Aster); Phlox (Phlox); Masterwort (Astrantia)

Thrives in lightly acidic, moist, well-drained soils. Shelter from harsh afternoon sun in hot summer regions. Water deeply, regularly in first growing season to establish an extensive root system; once established, maintain evenly moist soil. Remove old foliage before new leaves emerge. Deadhead spent blooms promptly to minimize reseeding.

This Plant's Growing Zones: 3-9

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone: 6

Good to grow!