returns in
273
days
Bloom calendar
Frostproof
Evergreen shrub
At‑a‑glance
- Group/Class: Evergreen shrub
- Height × spread: 5 ft × 4 ft (1.5 m × 1.2 m)
- Bloom window: early summer; sporadic later
- Color & flower form: white; double; 2 to 3 in across
- Fragrance: 3 strong
- USDA hardiness: zones 7 to 10 (varies by microclimate)
- Breeder / Year / Origin: unknown
- Cut‑flower notes: Typical vase life is 2 to 4 days when cut early and conditioned with preservative.
- Pet safety: avoid
How it differs
- More tolerant of late spring frosts than many cultivars.
- Narrow upright shape for tight hedge lines.
- Early summer main flush instead of mid summer.
Strengths
- Fragrant early season display.
- Useful for low hedges and foundation planting.
- Adaptable to bright sites with some shade in afternoon.
Care in one minute
Choose a site with morning sun and afternoon shade in hot summers.
Plant in acidic, well‑drained soil and mulch 2 to 3 inches.
Keep soil evenly moist; avoid waterlogging.
Fertilize lightly in spring and again six weeks later.
Prune after the main flush to shape and remove spent blooms.
In zone 7, protect from winter winds and severe cold.
Watch‑outs
- Requires acidic soil; chlorosis in high pH.
- Pest pressure from whiteflies and scale in warm, humid weather.
- Buds can still drop with drought or heat spikes.
Best uses (tags)
Provenance note
Clemson Extension lists ‘Frost Proof’ as producing 2 to 3 inch double blooms and as more tolerant of early spring frosts.
References
- Clemson Cooperative Extension HGIC 1065: Gardenia
- NC State Extension Plant Toolbox: Gardenia jasminoides
- ASPCA. Toxic and Non-Toxic Plants: Gardenia jasminoides
