When it comes to the combination of beauty, fragrance, grace, romance, and charm, the Gardenia plant is usually at the top of most lists.
The cultivar 'Frostproof' is a particularly good all-around choice, especially for mass plantings in cooler climates. This gardenia represents the evolution of cold hardiness; while older varieties like the single-flowered 'Kleim's Hardy' paved the way for Zone 7 planting, 'Frostproof' emerged as a robust, natural genetic improvement (or 'sport') offering the desirable double bloom alongside excellent resilience. Its reliability was famously tested and validated by institutions like the JC Raulston Arboretum in North Carolina and was honored with the Louisiana Super Plant designation by the LSU AgCenter, solidifying its reputation for resisting late-spring frost damage and providing superb, low-maintenance performance.
'Frostproof' matures as a mid-sized bushy shrub with a self-branching, rounded habit, cloaked in narrow, pointed, glossy, medium green leaves. Its semi-doubled flowers are large at about three inches in diameter, featuring a center crown atop a body of five slightly pinwheeled outer petals. Buds begin to appear late in the spring and continue sporadically until midsummer, filling the air with their incomparable scent.
Care
When mature, plant in fertile, well-draining acidic soil or potting media in light shade. Water as needed to maintain consistent soil moisture, but avoid overwatering. Overly saturated plants become spotted, weak, thin, and fail to flower as expected. Feed a good quality, slow-release, bloom-boosting fertilizer initially and repeat annually in spring. Prune after flowering to control size and shape.
Pest and Disease Management
Gardenias are generally robust and resilient, but can be targeted by a few common pests. Monitor regularly and treat promptly if any pests are noticed. Good air circulation also helps prevent the most common plant issues. We recommend checking with local resources such as the Horticultural Departments of State Universities for specific pesticide recommendations.
Indoor Growing
Gardenias are notoriously difficult to grow indoors year-round. The conditions they require to produce flowers, such as the full-spectrum of cool light, consistent high relative humidity, acidic soil conditions, and chilling during dormancy, are exceedingly difficult to provide within the average indoor environment. Bringing potted plants indoors while blooming and relocating them outdoors, or using them as cut flowers, is the easiest way to enjoy them indoors.
Hardiness and Zones
Frostproof Gardenias are best suited to semi-tropical and mild temperate climates. They are recommended for USDA Zones 7, 8, 9, 10 A. Mulching roots well ahead of the first freeze is recommended in Zones 7 and 8A.
Condition: This product is one (1) young, starter-sized plant intended for a gardener to grow to its mature size. You may expect a starter-size plant to be well-rooted, have a root zone of approximately 4 inches in diameter, be a minimum of about 6 to 8 inches tall, and have no blooms or buds on arrival. It may be shipped with or without a pot, as appropriate.
Plants are guaranteed to arrive in healthy, viable condition. This warranty is contingent upon the Seller receiving prompt notification of any issues or concerns with the plant\'s condition or appearance.
This notification must be received within 24 hours of delivery and include in-focus photos that clearly show the plant issue, shipping box, and address label. No other additional, extended, or long-term warranty is expressed or implied.
- Brand: Emerald Goddess Gardens
- Common Name: Frostproof Gardenia
- Bloom Form: Crowned semi-double
- Mature Size: 3 to 4 feet
- Fragrance: Intense
- Suggested Uses: Hedge, Mixed Beds, Mass Plant, Filler, Accent
- House Plant Adapative: Not recommended
- Country of Origin: USA
- Limited Conditional Warranty: Healthy arrival
- Extended Long Term Warranty: None
- Manufacturer:Emerald Goddess Gardens tm
- Climate: Temperate
- Color: White
- Special Features: Fragrant, easy to grow, moderately cold tolerant
- Species: Gardenia jasmoides Frostproof
- Sunlight: Indirect Full Spectrum
- USDA Hardiness Zone: 7, 8, 9, 10
- Watering: Moderate