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USDA Plant and Tree Hardiness Zone Map : USDA Plant and Tree Hardiness Zone Map - North West US

Acanthus spinosus is an herbaceous perennial. There are other species but this is my favourite as I prefer it's more dissected, thistle-like leaves. A mature clump in flower is an impressive site. Scroll down this board for further details.

Pieris japonica 'Flaming Silver' The other two near the Kerria are Pieris - I wasn't certain. Not sure which cultivars you have, but it looked like they were happy were they were. Not suggesting you move them, just thought you might want the name.

Types Of Tropical Plants - Plants For A Tropical Garden

Lobster Claw* A fast-growing herbaceous perennial with stalks reaching 7 feet tall. Scarlet and yellow bracts emerge on second-year stalks. Plant in bright shade with moist, well-drained soil. USDA Hardiness Zones: 10B to 11

An amazing searchable US data base of organic gardening practices all written before 1940 when synthetic fertilizers and pesticides came into widespread use.


‘Ivory Prince’ Helleborus hybrid ‘Ivory Prince’ has dark red-pink buds that bloom creamy white and age to a mix of burgundy and light green. Blooms Opens creamy white from late winter to early spring Size 12 to 15 in. tall and wide Cold-hardy USDA zones 4 to 9 Heat-tolerant AHS zones 9 to 1 Source Plant Delights Nursery, Inc.