Dead Nettle is a flowering perennial that grows in zones 3 through 8. The reaching stems are covered in variegated foliage, and this plant features tiny flowers in the spring and summer. Commonly grown as a groundcover, Dead Nettle is an evergreen in the warm reaches of its growing area. Dead Nettle plants grown in cold regions are herbaceous perennials. How to care for Dead Nettle in the winter depends on where you live.
Protecting Dead Nettle in Winter
Dead Nettle plants do not need protection in the winter. Be prepared to cover the plant if the forecast calls for a cold snap or frost in areas where the plant grows as an evergreen. Cover the plant with a thick layer of mulch in areas where the plant grows as an herbaceous perennial.
Cutting Back Dead Nettle For Winter
Trim back Dead Nettle in the fall in preparation for winter. Evergreen plants just need a trim to remove straggly overgrowth. Pinch back any leaves that are solid in color and not variegated. In areas with cold winters, plants can be cut back completely in late fall or early spring. Wait until after the first frost to trim the plant so the roots can store energy for the spring.
Dead Nettle Winter Care in Pots
Potted Dead Nettle plants need some attention to get ready for winter. Prune overgrowth and move the potted plant to a protected area. An indoor area, like a garage, shed, or basement, will work in areas that have cold winters. The plant can stay outdoors in areas with warm winters.
Watering Dead Nettle in Winter
Dead Nettle plants are typically dormant in the winter and do not need to be watered. Landscape plants will be fine with rainfall. Potted plants will need water when the soil is dry. Dormant plants have lower water needs, so do not water as often as when the plant is not actively growing.
Growing Dead Nettle Indoors
Dead Nettle plants can be grown indoors as a houseplant during the winter. Transplant Dead Nettle to a pot with drainage and trim back leggy or straggly growth. Place the potted plant in an area that receives medium indirect light, and water when the soil is dry. The plant will not bloom, but it makes an excellent, leafy houseplant.
Steps To Care For Dead Nettle in Winter
Dead Nettle is a low-maintenance plant that requires minimal care to prepare for winter. Taking steps to overwinter the plant ensures it is safe and protected and will return strong in the spring.
Step 1 - Prune overgrowth for evergreen plants
Step 2 - Remove all growth after the first frost for herbaceous plants
Step 3 - Potted plants should be moved to an area protected from cold temperatures and snowfall
Step 4 - Water potted Dead Nettle plants when the soil is dry; landscape plants do not need water
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Author Alison Cotsonas - Published 05-16-2023 |