half-hardy
Tolerates light frost
Half-hardy describes plants that can tolerate some cold but not hard frost.
In gardening, half-hardy annuals and perennials need protection during winter or must be started indoors and planted out after the last frost: Half-hardy seedlings should be hardened off before transplanting.
The term sits between hardy (frost-tolerant) and tender (frost-sensitive).
Damaged by freezing
- annualsSingle-season plants
- biennialsLiving two growing seasons
- perennialsFlora regrowing annually
- greenhouseClimate-controlled plant enclosure
overwinter · propagation · seedlings · cuttings · transplanting · nursery · cultivation · sowing
Localized atmospheric zone
- shelteredKept safe from harm
- temperateMild, avoiding extremes
- zoneBounded area designation
- borderlineEdge of acceptability
protection · seasonal · temperature · chill · cool · mild · moderate · overwinter
frost-tender
Damaged by freezing
- annualsSingle-season plants
- biennialsLiving two growing seasons
- perennialsFlora regrowing annually
greenhouse · overwinter · propagation · seedlings · cuttings · transplanting · nursery · cultivation · sowing · planting
microclimate
Localized atmospheric zone
borderline · protection · seasonal · temperature · chill · cool · mild · moderate · overwinter · adaptation
pelargonium
Flowering houseplant genus
lobelia · petunia · chrysanthemum · salvia · cosmos · zinnia · canna · tuberous · subtropical · exotics