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Lady’s Mantle ‘Thriller’ lives up to its name, delivering a dazzling display of frothy chartreuse blooms that float like soft summer mist above velvety, scalloped leaves. In late spring to early summer, this hardy perennial transforms garden edges, woodland paths, and shady nooks into glowing green-gold scenes straight from a storybook. Dewdrops collect on its rounded foliage like tiny jewels, adding a touch of everyday magic to morning garden strolls. It’s a luminous companion plant that brightens borders and softens bold plantings with effortless charm.
This cultivar is especially prized for its larger, fuller flower sprays and vigorous growth habit compared to the species—making it a standout in cottage gardens, pollinator-friendly plantings, and meadow-inspired designs. It spreads gradually by rhizomes and may reseed in ideal conditions; simply trim spent blooms after flowering to keep things tidy and encourage a neat appearance.
Pair ‘Thriller’ with Geraniums, Peonies, Hostas, Catmint, and Ferns for layered texture and season-long interest. Its airy blooms are also lovely in fresh or dried arrangements—just cut at peak bloom and hang to dry in a dark room to preserve their soft chartreuse glow.
A note for conscientious gardeners: Alchemilla mollis is considered invasive in parts of Oregon and Alaska.
As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat. The ‘Plant Information’ section describes how that item will ship. All perennials and fall-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.
Perennials and fall-planted bulbs are shipped at the proper planting time for your Growing Zone. Perennial and fall-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service at (802) 227-7200 or contact us by email or chat.