Silver-Leaved Perennials

Artemesia ludoviciana ‘Silver King’ (syn. A. ludoviciana subsp. mexicana var. albula) – Upright stems of aromatic intensely silver foliage that is the perfect compliment to any Alba garden. ‘Silver King’ spreads by underground rhizomes to form a large patch or clump and is very drought tolerant. Native to western North America. Deer resistant. Grows 24-36″ high. Hardy to zone 3.

Artemesia schmidtiana ‘Silver Mound’ (syn. A. schmidtiana ‘Nana’) – This herbaceous low-growing Artemesia is great plant for edging or growing on a wall or slope. It is an Award of Garden Merit winner that features feathery soft-to-the-touch silver foliage. Cut back when the insignificant flowers appear in summer. Grows 10 to 12″ tall by 15 to 18″ wide. Hardy to zone 3.

Salvia argentea – Silver Sage is another RHS Award of Garden Merit winner and has massive Coleus KONG-like leaves, except that they are incredibly fuzzy (you’ll want to stroke them) and intensely silver. It is considered a biennial or short-lived perennial but is still worth using in large containers or as a border accent. Creamy-white flowers. Grows 12-18″ high by 18-30″. Zone 5.

Artemesia stelleriana ‘Silver Brocade’ (syn. ‘Broughton Silver’) – This UBC introduction has scalloped silver foliage that is semi-evergreen. It is useful as an edging plant in mixed borders and works well in containers, where it cascades down the sides. The bright yellow summer flowers are often removed. Also known as Beach Wormwood. Grows 6-12″ high by 24-30″ wide. Zone 3.

Artemesia x ‘Powis Castle’ (syn. Artemesia arborescens ‘Brass Band’) – An RHS Award of Garden Merit winner that forms an upright clump (reaching small bush proportions) of feathery silver foliage that can be lightly trimmed to shape. Probably a cross of A. arborescens and A. absinthium. Generally evergreen here in coastal BC. Grows 24 to 28″ high. Hardy to zone 6.

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