These Iris varieties were also planted in the Andrews garden and are sensible selections.
advertisement
Iris sibirica 'Silver Edge' – Siberian Iris
Deciduous perennial produces clumps of grassy foliage and 3-inch beardless violet-blue flowers with a silver edge in summer
Plant in reliably moist to wet soil; will tolerate standing water and boggy conditions
Plant in full sun to light shade
Remove dead foliage in fall
Height: 2-3 feet; Width: 2-3 feet, spreading
Hardy in USDA zones (3)4-9:
Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; may be marginally hardy in this zone.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 6: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 7: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 8: Plant in spring or early fall; plant in full sun to light shade.
Zone 9: Plant in spring or early fall; plant in full sun to light shade.
Iris sibirica 'Butter and Sugar' – Siberian Iris
Deciduous perennial produces clumps of grassy foliage and 3-inch beardless white/butter yellow flowers with greenish-yellow veins in summer
Plant in reliably moist to wet soil; will tolerate standing water and boggy conditions
Plant in full sun to light shade
Remove dead foliage in fall
Height: 2-3 feet; Width: 2-3 feet, spreading
Hardy in USDA zones (3)4-9:
Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; may be marginally hardy in this zone.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 6: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 7: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 8: Plant in spring or early fall; plant in full sun to light shade.
Zone 9: Plant in spring or early fall; plant in full sun to light shade.
Iris germanica 'William A. Setchell' – German Bearded Iris
Deciduous perennial produces clumps of grassy foliage and 6-inch bearded flowers with steel-blue petals and violet-blue falls in late spring to early summer
Plant in rich, moist, but well drained soil
Plant in full sun to light shade
Remove dead foliage in fall; divide rhizomes after blooming in summer
Height: 2-4 feet; Width: 2-4 feet, spreading
Hardy in USDA zones 3-9:
Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 6: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 7: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 8: Plant in spring or early fall; plant in full sun to light shade.
Zone 9: Plant in spring or early fall; plant in full sun to light shade.
Iris germanica 'Summer Olympics' – German Bearded Iris
Deciduous perennial produces clumps of grassy foliage and 6-inch bearded flowers with golden yellow petals; reblooms
Plant in rich, moist, but well drained soil
Plant in full sun to light shade
Remove dead foliage in fall; divide rhizomes after blooming in summer
Height: 2-3 feet; Width: 2-3 feet, spreading
Hardy in USDA zones 3-9:
Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt.
Zone 6: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 7: Plant in spring; plant in full sun to light shade; apply extra mulch after first hard frost.
Zone 8: Plant in spring or early fall; plant in full sun to light shade.
Zone 9: Plant in spring or early fall; plant in full sun to light shade.
Gardening by Zip Code If you're looking to start a gardening project but don't know your gardening zone—visit the National Gardening Associations's USDA Hardiness Zone Finder. Enter your Zip Code to identify the proper zone.
RESOURCES :
A-Z Encyclopedia of Garden Plants
American Horticultural Society
Dorling Kindersley Publishing Inc.
ISBN 0-7566-0616-0
Website: www.dk.com
