- Go Ahead, Plant Those Gardenias
- How to Plant
- Where to Plant
- Learn How to Grow and Care for Your Gardenia
- Gardenia Requirements
- Growing Gardenias Indoors
- Be the first to know
- No Flowers On Gardenia Plant: How To Get Blooms On Gardenia
- My Gardenia Won’t Flower
- Double Blooming Gardenia Tree
- Double the Blooms for Double the Fragrance
- Planting & Care
- How To Care For Your Gardenia Plant
- Outdoor Gardenia Care
- Indoor Gardenia Care
- When to Fertilize Gardenias
- How to grow gardenias – planting and care guide
Go Ahead, Plant Those Gardenias
When you list plants that belong in a classic Southern garden, the gardenia has to be in the top five. Beautiful evergreen leaves, snow-white blossoms, intoxicating fragrance and the ability to withstand the Southern summer heat. What more could you ask for? Gardenias can bloom as early as spring and will continue to produce flowers throughout the summer and into fall. With showy blooms that open white and then fade to gold, gardenias are versatile as single shrubs, hedges, or container gardens. Gardenias demand to be treated right, however, so here are a few tips to help keep your Southern beauty happy and healthy.
How to Plant
The best times to plant gardenias are fall and spring when temperatures are moderate. Like camellias, gardenias like to be planted a little high. The soil should drain fast but retain water, as well; condition it with plenty of organic matter such as peat moss or ground bark. Dig a hole that is twice as wide and just as deep as the plant’s root-ball. Firmly pack 3-4 inches of soil at the bottom of the hole and set the root-ball about 1 inch higher than the surrounding soil to help ensure adequate drainage. Then, gently taper the soil up to the top of the exposed root-ball. Mulch plants with pine straw or chopped leaves. Gardenias do not like to be disturbed once they are established so it’s best to hand-pull weeds instead of cultivating around the root zone.
Where to Plant
Choose your spot wisely. Gardenias can handle full sun, just not all day. They need protection from baking mid-day or afternoon sun. North and east-facing exposures are ideal because the plants will receive bright morning light and some midday light, but won’t be in full sun during the hottest part of the day. While gardenias make beautiful additions to borders, they don’t like to be crowded by other plants or competing roots. Place them along pathways, at the corners of your house, or near windows where you can appreciate them even from inside your home. Gardenias do well in large pots on decks and patios; gardeners in cold-winter areas can grow them in cool greenhouses. Let potted plants grow naturally or clip and train them as topiary standards. Place potted gardenias on your deck or patio where you can take advantage of their beautiful blooms and fragrance. Unfortunately, they make poor houseplants— they attract mites, mealybugs, and whiteflies.
Did you know:
Gardenias originated in the Orient but are named in honor of a Southerner, Dr. Alexander Garden, an 18th-century botanist and physician from Charleston, South Carolina
‘Radicans’ gardenia’s small leaves and size make it an ideal plant to train as a bonsai.
Jazz singer Billie Holiday considered gardenias to be her signature flower and wore them in her hair whenever she performed
Watch Grumpy give advice on another favorite Southern plant:
Gardenias are easy to grow but require a bit of attention. Fuss over them and the plant gives beauty. Ignore them and they yellow and die. Moist, acid, well-drained soil; morning sun and afternoon shade; good air circulation; and proper fertilization will make them happy. With lustrous leaves, beautiful flowers, and a heavenly fragrance, gardenias are the perfect plants to grace the days of summer.
Learn How to Grow and Care for Your Gardenia
Beloved for their intoxicating fragrance and attractive, waxy, creamy-white flowers contrasting beautifully with their shiny, leathery, dark green leaves, Gardenias are irresistible heat-loving evergreen shrubs or trees. Native to the tropical and subtropical regions of Africa, southern Asia, Australasia and Oceania, Gardenias are not the easiest shrubs to grow, but their exquisite fragrant flowers make up for the extra attention they require.
Gardenias are beautiful subtropical plants which may be fussy and quite temperamental in their cultural needs. To grow them with success, make sure you follow the below requirements.
- Select a site with full sun to light shade. Although a Gardenia plant prefers full sun, some shade is appreciated during the warmer months of the year or its leaves may scorch and its buds may fall off if they get too much sunlight. In hot climates, Gardenias grow best with morning sun and afternoon shade. In cooler areas, they can tolerate full sun, especially if their roots are covered with organic mulch. Gardenias growing in containers need bright light or filtered shade with no direct sun. Gardenias grown indoors should receive at least 6-8 hours of direct sunlight through a sunny window.
- Make sure your Gardenia soil is moist and well-drained. Gardenias need at least 1 inch of rain (or equivalent watering) each week. Keep the soil consistently damp but not soggy. Don’t let the soil dry out and don’t over-water your Gardenias or the flower buds will not open and may even drop off. Apply a 2-4 in. layer of organic mulch (5-10 cm) to maintain the soil moist and keep a constant soil temperature. In order to drain away excess fertilizer salts in the soil, water with distilled water once a month.
- Gardenias prefer acidic soil with a pH between 5.0 and 6.0. Avoid planting gardenias near a concrete wall or foundation where the pH may be too high for an optimum growth.
- Gardenias like soil that is rich in nutrients. Add plenty of organic matter to the soil such as peat moss or manure to enhance the growth of your plant.
- Gardenias perform best in day temperatures of 65-70°F (18-21°C) and night temperatures of 60-65°F (15-18°C). Flower buds will fail to form if the ideal temperature for Gardenias is not respected!
- Gardenias demand high humidity to thrive. Provide extra moisture with daily misting, set the plant on a tray of moist pebbles and/or use a humidifier. Extra humidity is important in keeping down spider mites that thrive under dry conditions.
- Fertilize Gardenias every 2-4 weeks during their growing season (March to October) with a dilute fertilizer for acid-loving plants. Do not fertilize from November to February.
- Cut off the faded Gardenia flowers, just below the leaf node, to encourage continuous blooming.
- Check regularly for white flies and mealybugs, using a horticultural oil or insecticidal soap to control these pests.
- Prune/shape your Gardenia plant when it is dormant, to promote branching and compact growth
- When transplanting Gardenias, use a soil mixture of two parts peat moss, one part sterilized houseplant potting soil, and one part sand or perlite.
- Propagate Gardenias in early spring with 3-4 in. (7-10 cm) stem cuttings just below a leaf node. Dip the end of the stem cuttings into a rooting hormone, place it into a light mix of soil with perlite and keep it moist. Transplant the rooted cuttings into 3 in. (7 cm) pots with the preferred growing mix as described above.
Growing Gardenias Indoors
Gardenias were discovered in China in the 1700s. Their fragrance is unmatched in the floral world, and the oil extracted from the flowers is used for make both perfumes and teas. Some folks think gardenias are fussy plants. We say they’re not: they’re simple to grow if you meet a few of their basic needs.
Gardenias need at least four hours of sunlight daily (most blooming plants have basically this requirement, although there are exceptions). Without at least this much light, they just won’t bloom. However, in our fairly brutal summer heat, some afternoon shade will protect the gardenia‘s foliage from burning.
Gardenias don’t like to dry out, so keep their soil moist but not soggy. (Never let them stand in water!) During the winter, the plant may use less water due to decreased evaporation from heat and sunlight, so you can cut back some on watering, letting the top half inch of soil dry out before you give your plant a drink.
Gardenias do enjoy humidity. Unfortunately, most homes simply contain dry air, especially in winter when central heating contributes to the problem. You could buy a fancy pebble tray, but you can make your own, more economical version that will work just as well. Simply get a large plastic plant saucer. Fill it about 3/4″ deep with gravel. Add water almost to the tops of the pebbles. (You don’t want your plant sitting in water at any time.) The evaporation from this saucer will keep at least the immediate area around your plant comfortably moist.
Pay attention here! If the temperatures aren’t right, your gardenias will drop their buds in protest.
Daytime temperatures that suit humans are just fine for gardenias. At night, though, they much prefer a temperature ranging from 50-55°F. You might be able to sneak by a temp as high as 63°, but you’ll be pushing your luck.
Gardenias are acid-loving plants, so use an acid-based fertilizer. These are clearly labeled as being for acid-loving plants. You can certainly cut back on fertilizer in the winter, but generally a monthly regimen is fine for your plant.
Gardenias don’t often outgrow their pots. Don’t bother with repotting unless the roots have almost filled the pot. Always use a well-draining, peat-based soil to which no lime has been added. (Again, for the acidity the plants love.)
If you’re following these guidelines carefully, bud drop should not be a problem. If it occurs, check growing conditions again. The problem should correct itself if you fix the cause.
Be the first to know
A: If gardenias could choose their location, they would seek acid, moist, well-drained, high-organic-matter soils in a sunny but not too hot spot. Not exactly what we see commonly in Southern Arizona. That’s not saying you can’t grow them here but you will need to choose a good spot and maintain their surroundings to keep them alive and healthy. It’s best to have your soil tested if you are planning to plant non-natives to make sure they won’t be compromised from the start. My guess is the spot you chose is still salty unless you have been adding organic matter and giving it a good soak once a month to wash the salt through.The rainwater draining off the roof probably left salt in the soil when it evaporated. It’s hard to swap out your soil or change the characteristics of soil for more than a short time. Salinity, high pH and the lack of organic matter will be a going concern. If you are determined to grow these plants, the easiest way is to plant them in containers or raised beds with good soil. Since irrigation water is salty and so is fertilizer, you will still have to give the plants a good soak periodically to wash the salt through the soil. Keep an eye out for yellow leaves with green veins, which is a sign of nutrient deficiency. Also make sure to give them only northern or eastern exposure so they don’t bake in the desert sun.
No Flowers On Gardenia Plant: How To Get Blooms On Gardenia
Gardenias are a favorite of gardeners in warm climates, who understandably love the plant for its glossy green leaves and sweet-smelling white flowers. However, this exotic plant can be somewhat finicky and it can be difficult to determine the reason when a gardenia plant is not blooming. If your gardenia won’t flower, there are several possible factors that may be to blame. Read on to learn about the most common reasons when there are no blooms on gardenias.
My Gardenia Won’t Flower
Troubleshooting when there are no flowers on gardenia plants is often necessary in order to pinpoint the best possible reason.
Improper pruning – When a gardenia plant is not blooming, the reason is often pruning too late in the season. Prune gardenia plants after flowering in summer, but before the plant has time to set new buds. Pruning too late in the season will remove buds in the process of developing for the next season. Keep in mind that some cultivars flower twice during the season.
Bud drop – If buds are developing and then falling off the plant before flowering, the problem is likely environmental. Be sure the plant gets sunlight, preferably in the morning with shade during the heat of the afternoon. Gardenias prefer well-drained, acidic soil with a pH of less than 6.0. Soil with an improper pH may be the reason when there are no blooms on gardenias.
Extreme weather – Temperature extremes, either too hot or too cold, can also prevent blooming or cause buds to drop. For example, if you want to know to how to get blooms on gardenia, temperatures should be between 65 and 70 F. (18-21 C.) during the day and between 60 and 63 F. (15-17 C.) during the night.
Lack of nutrition – Feed gardenias lightly in early spring after all danger of frost has passed, using a fertilizer formulated for gardenias, rhododendrons, azaleas, and other acid-loving plants. Repeat in about six weeks to ensure the plant has adequate nutrition to support continued blooming.
Pests – A severe insect infestation may be to blame when a gardenia won’t flower. Gardenias are susceptible to attacks by spider mites, aphids, scale, and mealybugs, all of which are usually easily controlled by regular applications of insecticidal soap spray.
Double Blooming Gardenia Tree
Double the Blooms for Double the Fragrance
Why Double Blooming Gardenia Trees?
Evoking some of the best memories of summers past, the Gardenia Tree is known for its rich, intoxicating fragrance. But the Double Blooming Gardenia has even more to offer, with fuller, 3-inch double blossoms that blanket the entire tree.
Place them in pots around the patio as topiaries, or plant in your garden to create your own personal paradise. Apart from the wonderful perfume that welcomes guests to any space, the pretty white petals and shiny, deep green leaves maintain their brightness for months at a time.
The Double Blooming Gardenia’s flowers welcome spring and re-bloom throughout the summer, creating an encore of elegance that lasts up to three months. And since it’s a steady grower that adapts to different soil types and shady areas, there’s little upkeep involved in getting the rich blooms and fragrance for yourself.
Why Fast-Growing-Trees.com is Better
Other Gardenia varieties won’t have the strong, full blooms of your Double Blooming Gardenia. That’s because we’ve planted, grown and shipped your Gardenia with care…now, you get a hassle-free tree that’s ready to thrive and burst with fragrance and color quickly.
When you order from Fast Growing Trees, you can enjoy the sizable double blooms and one-of-a-kind perfume of your Gardenia as soon as the first season, especially when you order our larger sizes.
Get the iconic fragrance and full, thick blossoms of the Double Blooming Gardenia, delivered right to your door. Order yours today!
Planting & Care
1. Planting: These trees can handle full sun all the way down to partial shade, depending on your location, and love well-drained soil. If you’re in a colder northern climate, plant in full to partial sunlight (4 to 8 hours of sunlight daily). Southern growers can place the Double Blooming Gardenia in areas with partial sunlight to partial shade (4 to 6 hours of direct sunlight).
Dig a hole as deep as the root ball and twice the width. Place your tree in the hole, backfill the soil, and water your tree. Finally, mulch to conserve moisture.
To plant in a container, select a pot that’s twice as large as the shipped container and ensure it has drainage holes. Use organic soil and place your tree in the pot.
Then, place it in a location with bright sun and ample humidity. A south-facing window in your home should provide ample sun exposure.
2. Watering: Water your tree weekly unless you have rainfall. If you’re not sure when to water, simply check the surrounding soil for dryness, about 2 or 3 inches down.
For potted plants, check the soil and water until you see it coming from the drainage holes.
You can keep the humidity up around the plant by misting it daily or placing it on a tray with pebbles and water. As the water evaporates, it will feed humidity to the atmosphere around the gardenia.
3. Fertilizing: Your Double Blooming Gardenias can be fertilized every 3 to 4 weeks, from April through November. You can use a formula like 30-10-10, or a fertilizer high in nitrogen.
FGT Tip: If you notice yellow leaves, you can mix in a tablespoon of Epsom Salt with a gallon of water and apply this solution around your plant.
4. Pruning: Gardenias are best pruned in the summer after the plant has bloomed. Remove any broken or dead branches, and prune back any branches with spent flowers.
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How To Care For Your Gardenia Plant
Primarily found outdoors in the south and grown for their fragrant flowers and handsome foliage, gardenias (Gardenia augusta/Gardenia jasminoides) are popular ornamental shrubs, which are known for their finicky needs. In fact, in some areas, gardenias require considerable maintenance.
Outdoor Gardenia Care
Gardenias are cold sensitive and may die during severe winters; therefore, gardenias are typically grown outdoors where the winter weather is reasonably tolerable, or grown in pots and moved indoors for winter. Fall or spring is the most suitable time for planting the gardenia bush.
As for outdoor gardenia care, you should keep in mind that when the gardenia plant is grown outdoors, it generally prefers to be kept in partial shade. Gardenias also prefer moist, but well-drained acidic soil with plenty of organic matter. Water gardenias regularly, even once the plant has finished putting out blooms. Prune the gardenia bush after flowering has ceased to remove spent blooms and untidy
branches and to keep the plant in good condition.
Healthy gardenia plants are better able to withstand winter weather, and will oftentimes come back stronger in spring.
Indoor Gardenia Care
The gardenia plant can also be successfully grown in containers and treated like houseplants indoors. However, when growing a gardenia bush indoors, you must keep in mind that it requires bright light and high humidity.
The dry, short days of winter will likely be the most troublesome, especially if the gardenia bush is not given enough humidity. Moving plants to southern-facing windows and/or supplementing them with grow lights are good ways to improve light conditions during winter.
High humidity is essential to indoor gardenia care. Dry air will quickly cause the flowers to begin dropping from the plant. There are several ways to increase humidity in the home, including the use of a humidifier or grouping plants together on trays of wet pebbles. Misting the gardenia plant is not recommended, as this may cause problems with fungal leaf spot.
The soil, which should be loose and organic, should be kept moist, but take care not to overwater. Monitor the soil frequently for moisture, and water thoroughly as the top inch of soil dries. The gardenia plant should also receive cooler nighttime temperatures and warmer daytime temperatures.
When to Fertilize Gardenias
Gardenias require frequent fertilizing to ensure healthy plant growth. Fertilize monthly between April and November using fertilizer that is specifically formulated for acid-loving plants. Be careful not to over fertilize gardenia plants. Too much fertilizer can lead to salt accumulation, which can damage the shrub. Do not fertilize gardenias in the fall, which can stimulate growth. This tender, new growth will quickly die when exposed to cold winter temperatures.
How to grow gardenias – planting and care guide
If you like brilliant white flowers with delightful fragrance, then you should consider planting Gardenias. With a little care these plants will flourish in most gardens, rewarding you with lush deep green foliage and sweet perfumed white flowers year after year.
VARIETIES OF GARDENIAS
Gardenias come in a variety of different styles and all of them have dark green foliage with white flowers. The main highlight of gardenias is the captivating perfume.
Gardenia varieties to try
Gardenia augusta ‘Florida’ – A gardeners favourite gardenia. Highly fragrant, easy to grow, ideal for pots, grows to 1m high.
Gardenia augusta ‘Radicans’ – low, spreading variety, producing double white flowers on dark glossy leaves.
Gardenia augusta ‘True Love’ – Large flower. More resistant to pests and diseases.
Gardenia augusta ‘Magnifica’ – Larger variety. Grows to 2m in height. Large perfumed, double blooms with glossy lime coloured leaves.
SOIL & POSITION FOR GARDENIAS
Depending upon the variety, gardenias require a semi-shade to full sun position. Gardenias grow well in warmer conditions and dislike frost. Check with your local garden centre, so they can advise the best variety to suit your garden and climate.
Gardenias require pH range from acidic to just on neutral of about 5.5 to 6.5. As well as this, they also require a well-drained soil rich in organic matter. To improve the soil before planting, dig in Searles Azalea & Camellia Specialty Mix and also add some Searles Azalea & Camellia Plant Food.
GARDENIAS FOR POTS
Gardenias also grow very well in pots and make great feature plants. The added advantage of growing them in pots is that they are easy to move about, and when in flower can be shifted to an area where the beautiful fragrance will be most appreciated.
When planting into pots, plant up with Searles Azalea & Camellia Specialty mix.
FEEDING & PRUNING GARDENIAS
Gardenias respond well to feeding and pruning. Once pruned they will burst with new growth. To fertilise, use Searles Flourish for Azaleas, Camellias & Gardenias.