Introduction
Plant Selection
Hardy, Semi-hardy, Tender
Heat and
Drought Tolerant
Shade Tolerant Annuals
Fragrant Annuals
Ornamental Foliage
Climbing Annuals
Hanging Baskets
Cut Flowers
Planting
Starting Plants
Maintenance
Insects Problems
Disease Problems
Introduction
Plant Selection
Plant Dimension Characteristics
Specific Site Conditions
Classification by Bloom Periods
Perennials That Attract Wildlife
Planting
Starting Plants
Care and Maintenance
Introduction
Plant Selection
Planting Bulbs
Purchasing Bulbs
Care & Maintenance
Introduction
Plant Selection
Mature Size
Grasses for Specific Uses
Planting Ornamental Grasses
Obtaining Plants
Care & Maintenance
Introduction
Container Selection
Soil Mixes
Container Placement
Plant Selection
Plant Care
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 Annuals Having Ornamental Foliage
Several species of annuals have attractive or interesting foliage that is of greater ornamental value than the flowers. These have a unique place in the landscape
and container plantings and provide interest throughout the growing season, not just during the period of bloom. Most of these plants are tender annuals and grow best where the frost-free season is relatively long. Exceptions are ornamental kale and dusty miller.
| Common Name |
Scientific Name |
Regional Adaptation |
| Amaranth, (Joseph’s Coat) |
Amaranthus spp. |
N, SW, SC, SE |
| Begonia |
Begonia x tuberhybrida |
N, SW, SC, SE |
| Caladium |
Caladium x hortulanium |
N, SW, SC, SE |
| Coleus |
Coleus x hybridus |
N, SW, SC, SE |
| Dusty Miller |
Senecio cineraria |
N, SW, SC, SE, HA |
| Geranium |
Pelargonium hortorum |
N, SW, SC, SE, HA |
| Impatiens |
Impatiens wallerana |
N, SW, SC, SE |
| Ornamental Kale |
Brassica oleracea |
N, SW, SC, SE, HA |
Key to regional adaptation notes:
N = Northern Idaho valley locations in USDA zones 5 & 6, Moscow to Sandpoint.
SE = Southeastern Idaho valley locations in USDA zones 3 & 4 from Rexburg to Pocatello.
SC = South-central Idaho Magic Valley locations in USDA zones 4 & 5, Burley and Twin Falls.
SW = Southwestern Idaho Treasure Valley locations in USDA zones 5 & 6, Boise area (also Lewiston).
HA = High altitude (>5,000 ft) areas of central, southeastern Idaho and similar locations elsewhere.
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