- Gardenia, Cape Jasmine, Gandharaj ‘Mystery’
- Frost Proof Gardenia Shrub
- Blooms When Others Don’t
- Planting & Care
- Frostproof Gardenia – Louisiana Super Plant Spring 2011
- Gardenia Winter Care – Tips For Wintering Over Gardenia Plants
- How to Winterize Gardenia Outside
- Indoor Winter Care for Gardenias
- Hardy Gardenia
- Gardenia jasminoides ‘Kleim’s Hardy’
- Gardenia jasminoides ‘Chuck Hayes’
- Gardenia jasminoides ‘Frost Proof’
- Indoor Gardenia Care Tips
- Gardenia Care Tips
Gardenia, Cape Jasmine, Gandharaj ‘Mystery’
Tropicals and Tender Perennials
Average Water Needs; Water regularly; do not overwater
Sun to Partial Shade
Unknown – Tell us
6-8 ft. (1.8-2.4 m)
6-8 ft. (1.8-2.4 m)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Where to Grow:
Unknown – Tell us
Flowers are good for cutting
Flowers are fragrant
Unknown – Tell us
Late Spring/Early Summer
Unknown – Tell us
Soil pH requirements:
5.6 to 6.0 (acidic)
From softwood cuttings
By simple layering
Unknown – Tell us
This plant has been said to grow in the following regions:
Fort Walton Beach, Florida
New Port Richey, Florida
Port Orange, Florida
Southport, North Carolina
Charleston, South Carolina
Columbia, South Carolina
Scranton, South Carolina
Cedar Park, Texas
Houston, Texas(2 reports)
Frost Proof Gardenia Shrub
Blooms When Others Don’t
Why Frost Proof Gardenia Shrubs?
With the Frost Proof Gardenia shrub, you’ll never miss a Gardenia season because of late cold snaps. Ordinary Gardenia buds can freeze and never develop into flowers…meaning that you get a skimpy showing or no blooms at all.
Despite chilly weather, Frost Proof Gardenias are smothered with amazingly fragrant blooms every year. Unlike other varieties, they stand up to the cold and unusual weather patterns. From the midwest to Key West,…Frost Proof Gardenias pump out blooms that fill your yard with that distinctive Gardenia aroma.
And they’re deer resistant too. This trouble-free shrub’s green foliage makes it versatile enough to be a foundation hedge, property barrier or the focal point of a berm.
Why Fast-Growing-Trees.com is Better
You won’t find a healthier Frost Proof Gardenia. When you order your Frost Proof Gardenia from Fast Growing Trees, you get a better-developed, well-rooted variety that’s ready to grow above and beyond.
And because we’ve planted, nurtured and shipped your Frost Proof with meticulous care, you get a hassle-free shrub that explodes with fragrance and blooms as soon as it arrives at your door.
These are well-developed shrubs ready to bloom your very first season. Our larger sizes are limited, so order now while they are still available. Get your Frost Proof Gardenia Shrub today!
Planting & Care
1. Planting: Select an area with full to partial sun (at least 4 hours of sunlight daily) and well-draining soil. To plant, dig a hole no deeper than the root ball and two to three times the width of the root ball. Remove your plant from its container and carefully but firmly loosen the root ball. Set the Frost Proof Gardenia into the hole you’ve prepared, making sure the top of the root ball is slightly above the soil level.
2. Watering: Be sure to keep your Frost Proof Gardenia moist but not soggy. Do not let it dry out between waterings as this stresses the plant. You can rely upon natural rainfall but double-check your soil for moisture about 2 inches down. If the gardenia is receiving less than an inch per week, supplement it with water from the hose or from a watering can.
3. Fertilizing: Feed the Frost Proof Gardenia bi-weekly with non-alkaline fertilizer. A teaspoon of agricultural sulfur in the soil may help lower soil pH. Fertilize gardenias after they’ve bloomed with a well-balanced shrub fertilizer.
4. Pruning: Frost Proof Gardenias require no pruning, except for shaping. To maintain shape, prune in late winter before new growth emerges. Cut with hand pruners, and not powered trimmers, to avoid scarring leaves.
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Frostproof Gardenia – Louisiana Super Plant Spring 2011
Do you love the heavenly fragrance of gardenia, but hate the fuss of the traditional plant? Then Frostproof gardenia (Gardenia jasminoides Frostproof) is the answer to your gardening dilemma.
This evergreen shrub produces fragrant, double, velvety white flowers heavily in May and then sporadically through the summer.
Frostproof, as its name implies, is more cold ardy than other gardenias. It has also proven to be tough, not as finicky and more adaptable to varying soil conditions.
The foliage of the plant has shiny and rich deep-green leaves that last throughout the year. The leaves are somewhat smaller than most other gardenia varieties, giving the plant an attractive medium-to-fine texture.
The well-branched shrub has a natural mound shape, require little pruning to maintain. Growing about 5 feet tall and 4 feet wide, it is considered a compact gardenia.
The Frostproof gardenia has all the wonderful qualities of the gardenia without all the fuss. This Louisiana Super Plant is an excellent choice to “perfume” your garden with an easy-care, low-growing gardenia.
- Evergreen shrub.
- Full sun to part shade.
- Grows 5’ tall by 4’ wide.
- Space 4’ apart.
- For best success, plant in fall, winter and early spring.
- Prefers moist, well-drained, acidic soil.
Gardenia Winter Care – Tips For Wintering Over Gardenia Plants
Gardenias are grown for their large, sweetly fragrant flowers and glossy evergreen foliage. They are meant for warm climates and sustain substantial damage when exposed to temperatures below 15 F. (-9 C.). Most cultivars are hardy only in USDA plant hardiness zones 8 and warmer, but there are some cultivars, labeled as cold-hardy, that can withstand winters in zones 6b and 7.
How to Winterize Gardenia Outside
Be ready for unexpected cold snaps by keeping supplies on hand to protect your plant. On the fringes of the recommended climate zones, you can protect gardenias in winter by covering them with a blanket or cardboard box during brief cold snaps.
A cardboard box large enough to cover the shrub without bending the branches is a must when temperatures drop. Gardenia winter care in areas that experience snow includes protecting the branches from the weight of heavy snow accumulation. Cover the plant with a cardboard box to prevent the weight of the snow from breaking the branches. Have old blankets or straw available to insulate the shrub under the box for an extra layer of protection.
Outdoor container grown plants can be overwintered in a sheltered location and insulated with bubble wrap in areas just outside their growing zone, or one zone lower. For colder areas, however, these should be brought inside (see care below).
Despite your best efforts, the tips of the branches may die and turn black from frost or cold damage. When this happens, prune the branches a couple of inches below the damage with sharp pruning shears. If possible, wait until after it blooms.
Indoor Winter Care for Gardenias
In colder areas, plant gardenias in containers and provide winter care for gardenias indoors. Clean the plant with a strong spray from a water hose and thoroughly examine the foliage for insect pests before bringing it indoors. When wintering over gardenia plants indoors, keep in mind that these are evergreen shrubs that don’t go dormant in winter, so you will need to continue to provide optimal growing conditions.
A gardenia kept indoors over winter needs a location near a sunny window where it can receive at least four hours of direct sunlight each day.
Indoor air is dry in winter, so you will have to provide extra humidity for the plant during the winter months. Place the plant on top of a tray of pebbles and water or run a small humidifier nearby. Although you should mist the plant occasionally, misting alone doesn’t provide enough humidity for good health.
Gardenias overwintered indoors need cool night temperatures of around 60 F. (16 C.). The shrub will survive warmer night temperatures but it may not flower well when you take it back outdoors.
Keep the soil lightly moist and use a slow-release azalea fertilizer according to the package instructions.
The heady scent of Gardenia flowers wafting through thick summer air is nothing short of scrumptious!
For what seemed like eons, Portland gardeners were relegated to growing Gardenias that would die if left outdoors in winter, but in the last 10 years, several hardy types have emerged, and they’re pretty darn good plants. Aren’t we lucky to live in the era of Hardy Gardenias?
To be successful follow a few tips:
- Plant in spring so Gardenias have a chance to set strong roots before winter.
- Gardenias are big eaters! They need to be fertilized to produce abundant flowers. Use fertilizers and soil amendments for acid-loving plants (Rhododendron food) and make sure not to add lime – this raises soil pH.
- Night temperatures between 50-55f are necessary to form flower buds, so be patient – it’ll happen eventually.
- Gardenias dislike root disturbance, so don’t plant labor intensive plants around the base. Do add mulch to the root zone, making sure not to pile it around the base of the shrub.
- You may be surprised, but Gardenias like a bit of a break from the heat of the day! Plant them in a spot with afternoon shade.
- Gardenias are not drought tolerant. They need deep, weekly watering during dry seasons and more frequent watering during heat waves.
There are new varieties coming out every year, but we consistently carry the following varieties:
Gardenia jasminoides ‘Kleim’s Hardy’
White flowers are single form with six petals and yellow stamens. Fragrance is classic Gardenia. Leaves are dark green, glossy and evergreen. Grows slowly in a rounded mounding habit to 2-3 feet tall and wide. Z7
Gardenia jasminoides ‘Chuck Hayes’
White flowers are double form with many fat petals and sweet scent. Evergreen leaves are dark green & glossy.
Grows 4′ x 4′, Z7
Gardenia jasminoides ‘Frost Proof’
Our favorite hardy Gardenia so far, ‘Frost Proof’ is an over achiever. Large white double flowers with narrow petals and sweet Gardenia scent. Evergreen leaves are dark green & glossy but more narrow than other varieties. Growth is upright and vase-shaped, to 3-4’ tall. Z7
Indoor Gardenia Care Tips
Botanical Name: Gardenia jasminoides
Good gardenia care will ensure long-lasting blooms and a long-lived flowering house plant.
Beautiful, little gardenia shrubs make welcome gifts. If you buy a gardenia for a loved one, be sure to treat yourself, too.
Gardenia needs some attention year-round to thrive. But you won’t mind. Gardenia’s intoxicating fragrance and creamy white blossoms make it all worthwhile.
As soon as flower buds appear, step up your game and give it the perfect growing conditions. Find a good place for your gardenia in a well-lit area that’s draft-free. Natural gas fumes will harm the plant, so growing gardenias near a gas stove or fireplace isn’t a good idea.
Gardenias enjoy spending the summer outdoors. If you put it outside, keep it in a shady spot. Bring it back in if the temperature drops below 60°F. Happy plants may bloom a second time in the fall.
Pruning gardenia plants in late winter will keep them in good shape. Cut the stem at an angle, just above a node (the place where a leaf or branch is attached to the stem). Use sharp pruners to avoid tearing the stems.
Repot in late winter. You can control its size by keeping it in a smallish container. In fact, gardenias are sometimes grown as bonsai plants.
How to Get those Beautiful Blooms
- Cool nights (60°F) and warm days (75°F) will trigger flower buds.
- Gardenia flowers need plenty of light to bloom. Place your plant where it will get several hours of bright, filtered light each day.
- Flowering plants are thirsty. Dry soil will cause the buds to drop. Check the soil at least every couple days. Keep it moist but not soggy, which can also cause buds to drop.
You’ll find gardenia plants for sale in the spring and summer, when they’re in bloom.
The most common gardenia for growing indoors is ‘White Gem’, a dwarf gardenia variety reaching only 2 ft (60 cm) tall. If you want a bonsai, gardenia ‘Radicans’ has an upright form, making it a favorite for shaping a gardenia tree.
Gardenia Care Tips
Height: 1-3 ft (30-90 cm)
Light: Bright indirect light. Some direct sunlight in winter is fine.
Water: Keep soil evenly moist during the growing season, slightly drier in winter. With gardenia yellow leaves are usually caused by overwatering. Use a pot with a drainage hole and allow soil to dry slightly between waterings.
Humidity: Gardenias love humidity. Use a room humidifier or place the pot on a tray of wet pebbles. Misting is also a good idea in summer. With gardenia care should be taken to mist the foliage, and not the flowers.
Temperature: Normal room temperatures 60-75°F/16-24°C
Soil: Lime-free acidic potting mix, such as a peat-moss based mix.
Fertilizer: Feed gardenias during the growing season to keep them healthy and flowering. Use a fertilizer specially made for acid-loving plants. Feed every 2 weeks with a high-potassium fertilizer that contains iron, diluted by half. Only fertilize when watering to avoid fertilizer burn.
Propagation: Take 3-inch (8 cm) stem tip cuttings in spring or early summer. Dip cut ends in hormone rooting powder, then place in moist potting mix. Cover the plant with a cloche or a plastic bag to maintain humidity.
- Houseplants A-Z