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Index > Garden Blog

Date:

How soon will Guava tree fruit?

Q: Can you tell me how your Guava trees are propagated? Grown from seed vs. air grafted, etc.? I'm interested especially in the Barbie variety. In particular, I'd like to know how long it takes them to bear fruit - I live in Southern California zone 10b, with good sunlight.

A: Guavas can be propagated by seed, air layers, or grafting. Propagation method depends on the species.
Cattley guavas - Psidium littorale - are usually grown from seeds and start flowering and producing as early as in 2-3 years from seed. Tropical guavas, Psidium guajava - especially named varieties, are propagated usually by air layers, and the rarest varieties like Variegated Honey Moon are often grafted, although they will come true from seed (it's just takes them longer to fruit). Both air-layered and grafted plants start producing right away, usually on the same year of planting or next year, depending on growing conditions.
Barbie Pink is a superior variety, very popular among fruit lovers. It produces large aromatic fruit with a bright pink pulp and very few seeds. This variety is air-layered; in our nursery, these plants start flowering and setting fruit in 3 gal containers.
Plant this tree in full sun and provide regular watering, guavas don't like to dry out. Use fertile soil, with at least 50% of compost, and add some soil conditioning components for better drainage: bark, sand, perlite, etc. Mulch well, just make sure to keep mulch 2-3" away from the trunk. Follow our detailed planting instructions that come with every plant, and you are good to go!

Recommended fertilizers:

Fruit Festival Plant Food - Super Crop Booster
Mango-Food - Smart Release Fruit Tree Booster

Date:

The Flower of Gold

By Onika Amell, tropical plant specialist

Q: I am concentrating on adding more fragrance to my garden. I've had great success growing gardenias and I have many different varieties, but their flowers are all white, and I would like to add some colors to my garden too. Are there any gardenias available in different colors? I live in Waipio Acres, Hawaii.

A: Meet the very rare and highly fragrant, tropical Gardenia tubifera Kula or Golden gardenia. Kula flowers change color as they mature, which is a unique feature! Kula flowers start out as cream, then change to yellow and finally to a beautiful gold. In addition to the spectacular flowers, this gardenia also has beautiful, leathery, deep green foliage.
This is a slow-growing and compact plant. Like all the other members in the Gardenia family, the Golden gardenia will do best in an acidic, well-drained, and fertile soil. It will appreciate a good deal of direct sunlight but will be very happy if provided with midday and afternoon shade. As with with gardenias, the more sunlight the more flowers.
It will eventually grow into a rounded shrub if left unpruned, but also can be trained into a small tree, maintainable to a height of under 7-8 feet. Blooms will appear from spring onward. Prune after flowering, this will encourage more flowers in a few months.
Gardeners living in colder areas, do not fret. Gardenias make perfect container plants and can be grown indoors in colder climates. Just be sure to provide high light when bringing them indoors.
The fragrance and changing colors of a Gardenia Kula is unforgettable. They are most fragrant near sunset and during early evening hours. Plant them near walks and patios where their lovely fragrance can be enjoyed.
This rare tropical Gardenia is sure to be a conversation piece in any garden. Great collector's plant!

Recommended fertilizers:
Pink N Good Daily Plant Food - Flower Booster
Tropical Allure - Smart-Release Booster

Limited time special offer:
Instant $5 OFF Golden Gardenia!

Date:

How to get Strophanthus tree to bloom?

Q: I purchased from you three of these plants - Strophanthus bovinii and I wonder if you could help me. The plants are out of control growing large limbs to the sides and I would like it to grow more upright. Is this possible? Second, it does not flower. What type of fertilizer should I use and how often? How about the watering schedule? I have them in an eastern exposure but possibly they are not getting enough sun? Right in front of them, there is a large tree outside the curb of my house. What should I do about that?

A: Strophanthus bovinii - Wood shaving flower, is quite a unique plant that is very rare in cultivation, this is why very little information is available on its cultivation due to limited experience among gardeners. We have had this plant in our garden for over 12 years and this is what we can advise.
In the nature (Madagascar) it supposedly grows into a large tree, however, from our experience, it tends to be rather bushy, umbrella-like large shrub. Yes, you can train it into a tree by trimming branches growing side-wise, and by removing lower branches. The best time for pruning is early spring when the tree starts new growth and re-leafs (it is semi-deciduous). As far as flowering, the plant is very particular about blooming season, with profuse flowering in Summer (here in SW Florida), however it may produce more flowers sporadically throughout the year.
It thrives in full sun but will tolerate bright filtered light. If a large tree is shading it too much, try to trim some limbs of that large tree to allow more light. Water needs of Strophanthus bovinii are very moderate, so you can rely on your sprinkler system or water once a week for established plants.
You should use 2 types of fertilizers - slow release (once a month) and water-soluble bloom booster (frequent applications are safe):
Pink N Good Daily Plant Food - Flower Booster
Tropical Allure - Smart-Release Booster

Date:

Chosing a good avocado tree

TopTropicals.com

Q: I'm in coastal Broward County. I'm putting together an order on your web site, and one thing that I would like is an avocado tree. I'd like to have something as close to true "Hass" as possible. Which cultivar does well here in SE Florida, and is most like Hass in texture, creaminess, and flavor? I'm not a big fan of the yellow watery Florida avocados.

A: Mexican type of Avocado have dark skin and buttery texture, while Florida green fruit types (West Indian type, with smooth skin), have lots of delicious melting pulp, so it is a matter of preference.
In coastal Broward county you can grow a wide range of varieties since your climate is very mild, so you don't have select cold-hardy varieties like Winter Mexican, Brazos Belle or Joey, etc. Yet there are many interesting varieties that rare and much more exclusive than Hass, with the same, or even better, quality buttery fruit.

One of the most popular varieties - Brogdon, with red-purple colored pear-shaped fruit, very thin skin, and yellow buttery flesh. It is also very cold hardy.

Very interesting exotic avocado is Kampong - Sushi Avocado - see photo above. The flavor of this fruit very nice, oily, creamy, nutty, reminds of almonds. At the same time, it has solid consistency and if you cut a square it remains a shape of the square. It is the best Sushi Avocado! It tastes great as an appetizer when cut in squares with some shrimp cocktail sauce.

Three collectible varieties:
Anise - leaves that smell like Anise, very rare, the fruit is of excellent quality, creamy and buttery.
Bacon - a large Mexican variety with dark-skinned medium-sized fruits, and a rich creamy flavor. It has exceptional fruit that ripen in late fall and into spring, they are easy to peel and have a light, subtle flavor. Another outstanding feature of the Bacon avocado tree is its angelic sweeping branches which helps keep the tree shorter and easier to pick its fruit.
Nishikawa is a very hot seller! Oval fruit somewhat resembles Hass, but larger, and has very high oil content.

See all Avocado trees from our store


Recommended fertilizers:
Fruit Festival Plant Food - Super Crop Booster
Mango-Food - Smart Release Fruit Tree Booster

Date:

Pretty in Pink... and Purple Prince for her!

TopTropicals.com

By Onika Amell, tropical plant specialist

Q: I have a bare spot in my front garden, behind a low wall, in part-sun. I'm hoping to find an evergreen, flowering ground cover that will cover it quickly. Any ideas on finding something with the ability to eventually also cascade over that wall? I live on Marco Island, Florida.

A: Barleria Repens - Small Bush Violet, is a tough, fast-growing evergreen that blooms from late spring to autumn. Of the many Barleria we see in the tropics, Pretty in Pink is one of the most striking! The name tells the whole story: pretty and pink. A lot of gardeners enjoy using them as a ground cover. They will quickly cover a large area - their stems root readily as the plant crawls along. They are easily propagated by lifting the rooted runners or using cuttings. They also reseed easily. Flowers are followed by seed pots that explode open when dry, dispersing 4 seeds at a time! But perhaps best liked by many gardeners, is their habit to cascade. It will be well suited for covering the bare area in your garden and spilling over that wall beautifully.
When used as a ground cover, remember to pinch out young shoots to encourage bushiness and prune the plant back hard after flowering to keep it neat.
Barleria repens will also adapt to different situations in a garden if you need them to. Although they usually form a rounded to spreading bushy shrub, 2 ft high by 3 ft wide, they will climb when you give them support. They are often allowed to lean into nearby trees and shrubs.
Hardy to 28F, Barleria repens is pest-free and fairly frost-tolerant. They love sun and part shade, as well as well-drained soil and plenty of organic material. Avoid planting it in deep shade as it will get leggy and reluctant to flower.
They will thrive when fed with a slow release fertilizer at intervals of 6-8 weeks, throughout the growing season.

There is another cultivar of this exact variety that has blue-purple flowers, it is called Purple Prince! It couples perfectly with Pretty in Pink! :)

See all Barlerias from our store


Recommended fertilizers:
Pink N Good Daily Plant Food Flower Booster
Tropical Allure Smart-Release Booster

Date:

Plants for South Texas and other hot states

Q: Pretty much adore last newsletter. Haven't been buying because our weather here in deep south Texas is so bad it is stunting and killing even the Tamaulipan Scrub! Do you have a cure for that? :) I have every expectation the new grafted Plumeria I purchased from you last year will bloom soon. One of my favorite plants. Thanks again and keep up the good works.

A: Yes, there is a "cure" - using biostimulants that improve drought- and heat- resistance (SUNSHINE boosters), plus the right plant selection. In fact, there is a large number of tropical rare plants that can be successfully grown in hot climates like yours. One of our partners lives in hot and dry Arizona area and has an amazing tropical garden that includes many fruit trees (Mango, Persimmons, Pomegranates, Loquats, etc). Here you can see a few pics from his garden.
Your choice is absolutely right about plumerias. Other easy plants would be Desert roses - Adeniums, and Fancy Euphorbia millii - all these come in so many varieties of colors and bloom throughout most of the year. Our special recommendations for you would be also:

Bougainvillea Dwarf Pixie
Jasmine sambac
Calliandra selloi Pink Lilian
Dracaena marginata Tricolor - Colorama, Money Tree
Hamelia patens Lime Sizzler - Variegated Fire Bush
Jatropha berlandieri - Buddah Belly
Pedilanthus tithymaloides - Devils Backbone
Trachelospermum asiaticum Mandaianum - Dwarf Confederate Jasmine

See full list of more plants that are suitable for hot and dry landscapes.

Apply fertilizers, miscroelements, and plant stimulants for improving heat tolerance

Date:

Selecting the right jasmine

TopTropicals.com

Q: Would you please help me select the right jasmine? I want to find a jasmine that smells like lily of the valley or honeysuckle or roses, not the one that smells like gardenia. I'm in Missouri, zone 6, so I want a jasmine for my deck for the summer, so I want it to bloom this season.

A: There are 3 major types of tropical flower fragrances - Sweet, Fresh, and Fruity (including Lemony). Below are the most interesting fragrant tropical flowers, excluding Gardenias (which are sweet type). These are all same-year bloomers, so you can enjoy the fragrance this year assuming proper care and bloom booster feeding.

* - The fastest growers that can be treated as annuals. Others can be grown in a pot and brought inside for winter, and be enjoyed every year.

Sweet

* Aloysia virgata - Almond Bush
* Cestrum diurnum - White Chocolate Jasmine, Day Blooming Jasmine
* Cestrum nocturnum - Night blooming jasmine
* Heliotropium peruviana - Turnsole, Cherry Pie
Portlandia Cubanola domingensis - Cubanola (Warm white Chocolate)
Portlandia grandiflora - Glorious Flower of Cuba (Warm white Chocolate)

Fresh

Beaumontia grandiflora - Easter Lily Vine
* Brugmansia Jean Pasco - Yellow Angels Trumpet
* Brugmansia Variegated Orange Angel Trumpet
* Brunfelsia americana - Lady of the night
* Brunfelsia lactea - Lady of the night
* Brunfelsia nitida - Lady of the night
Crinum Queen Emma - Spider lily
* Eucharis grandiflora - Amazon Lily
* Hedychium coronarium - Butterfly Ginger
Hiptage benghalensis - Helicopter Flower
Hoya odorata - Fragrant Hoya
Ixora hybrid Sea Green
Ixora odorata - Fragrant Ixora
* Jasminum azoricum - River Jasmine
* Jasminum Molle - Indian Jui
Jasminum nitidum - Star Jasmine
* Jasminum officinale Flore Pleno - French Perfume Jasmine
* Jasminum polyanthum - Pink Winter Jasmine
* Jasminum sambac Belle of India
* Jasminum sambac Grand Duke
* Jasminum sambac Maid of Orleans
* Polianthes tuberosa - Tuberose
*Sclerochiton harveyanus - Blue Lips, Mazabuka (Lavender-violet-like)

Fruity

Aglaia odorata - Chinese Perfume Plant (Lemony)
Artabotrys siamensis - Climbing Ylang-Ylang (Lemony)
Cananga fruticosa - Dwarf Ylang-Ylang
Carissa grandiflora - Natal Plum
Cerbera x manghas hybrid - Enchanted Incense
* Jasminum dichotomum - Rose Bud Jasmine
* Lonicera japonica - Japanese Honeysuckle
Magnolia figo - Banana Magnolia (Banana-like)
Magnolia x Alba grafted (Bubble-gum-like)
* Mirabilis jalapa - Four oclock plant
Oxyceros horridus, Randia siamensis
* Quisqualis - Rangoon Creeper
* Radermachera Kunming - Dwarf Tree Jasmine
* Stephanotis floribunda - Bridal Bouquet
Strophanthus gratus - Climbing Oleander
Telosoma cordata - Pakalana vine (Lemony)

Fertilizers for profuse flowering:

Pink N Good Daily Plant Food - Flower Booster
Tropical Allure - Smart-Release Booster
SUNSHINE-Superfood micro-elements

Date:

Heavenly Angel's Trumpet

TopTropicals.com

By Onika Amell, tropical flower specialist

Q: Can you please tell me which zones are the best for growing Angel Trumpets? When do they bloom and is there a specific fertilizer to use on them? Do you sell any variegated varieties?

A: If you are lucky enough to live in an area that doesn’t freeze or only has light frosts, you can grow Brugmansia (common name Angel Trumpet) outside all year long. They are only entirely hardy in USDA zones 9-12, but they remain very popular throughout the United States. They do really well in coastal settings in the Southwest. They are simply glorious in the coastal areas of South California. In the southwestern states, as well as in the tropics, they bloom spectacularly throughout the spring, summer, and autumn.

Angel Trumpets are very heavy feeders and they need huge amounts of nitrogen. You can use a standard balanced slow-release fertilizer on Brugmansia, but then you must apply it very generously. We've created a specialized fertilizer just for them. Angel Trumpet Delight is a perfect Brugmansia food for frequent monthly feed. It's a 30-day Smart-Release formula that works wonders for Angel Trumpets. A a well-balanced combination of macro- and micro- nutrients with a slow release action, it provides continuous feed, maintains vigor and disease resistance. It also contains coated nitrogen, early release nutrients and extra iron (water soluble and chelated) for quick green-up.

Angel Trumpets come in a dazzling array of colors: orange, yellow, green, white, pink, red, emerald and even purple (closely related Datura). One of our favorites is the beautiful Variegated Orange Angel Trumpet, a new hybrid with variegated leaves and a large single bloom that starts white and turns orange. Another amazing variety is "Sun Explosion" - with a variegated orange flower.

Most folks are usually in awe of the enormous trumpet flowers when they see it for the very first time. They most definitely need to be planted where they can be admired… near a deck, terrace, lanai or, entryway. The blossoms are short-lived, but numerous, continuous, and truly show-stopping! And they smell so good! This is a must have in any tropical garden. They can be grown either as a bush or a small tree. They are easy peasy to grow and root extremely easily, making them great as pass-along gifts for friends. They are sun-loving and super fast-growing plants. Plenty of water and fertilizers keep them happy and at their best. Did I mention they smell good too? ;)

TopTropicals.com

Date:

Synergy of SUNSHINE, biostimulants, and macro-micro

TopTropicals.com

Q: I've heard that plants grow better and bigger with SUNSHINE boosters and when using Myco-Mix instead of regular soil mix. Do they work like fertilizers? If I use a Myco-mix, do I still need a fertilizer?

A: SUNSHINE boosters are not fertilizers, they are natural plant hormones, or biostimulants, as well as Myco-Mix which is a naturally occurring compound or microbes. Biostimulants are becoming increasingly attractive to folks interested in sustainable agriculture, and very popular for plant growth or pest resistance. A plant biostimulant is not a fertilizer because it provides no nutritional value to the plants. But, it can promote greater nutrient and water use efficiency, increase resistance to pests and diseases, reduce abiotic stresses, and in turn, lead to plant growth and health.

To answer your question, you can not replace regular fertilizers (NPK) and micro-elements with plant boosters and stimulants. However, fertilizers and microelements will work more efficiently when used in combination with biostimulants. Together they create a synergy, so plants use the most of fertilizer's potential, and will grow a lot better, faster, and healthier.

4 components for the best growing results

1. SUNSHINE boosters. They are a must during the juvenile stage of plant development - seedlings and cuttings. They are especially important for recovery of weak or stressed plants (boosting their immune system).
2. SuperFood microelements
3. NPK fertilizers. Select from water-soluble and smart-release types and make sure do not exceed the recommended concentration. Lower dose and more frequent use is always better for a plant.
4. Specialized soilless mixes: Myco-Mix (with biostimulant Mycorrhiza) for exclusive growing projects and special/unique plants, Professional potting mix for potted plants, and Propagation mix for seeds and cuttings.

TopTropicals.com

Date:

How to get gingers to bloom

TopTropicals.com

Q: I have several gingers in my yard, including Red Torch, Lobster Claw, and Red Bamboo Ginger, they grow beautifully but only produce large dark green leaves and no flowers. Is there anything I can do to make them bloom? Do they need any special fertilizer?

A: Gingers are easy to grow tropical plants with so many benefits, giving us unique spice, and showy flowers (including long-lasting cut flowers!) - where other plants fail, especially in deep shade. They are not fussy about soils and even water once established. To keep your gingers happy, follow these simple steps:

1. Bright light is essential for flowering, but planting gingers in semi-shade or filtered light will keep them stress-free from burning summer rays.
2. Water gingers regularly until they established and start producing new leaves and stems. Once they start clumping, you may reduce watering to a minimum 9once a week or so), or rely on your sprinkler system.
3. Once the plant is established, start using fertilizer to induce flowering and healthy growth.
- We recommend granulated "smart release" fertilizer for all tropical plants. For gingers, the best formula is Tropical Allure. It provides all macro- and microelements essential for the healthy growth of the plant.
- Apply balanced water-soluble plant food for Gingers, Heliconias and Bananas - Broad Leaf Plus - once a month.
- Additionally, you may also add to the menu flower booster Pink N Good Daly Plant Food - this fertilizer is used in very low concentration and can be used with every watering.
4. Remove old dry and yellowing leaves with sharp cutters to avoid pest problems and keep good air circulation around these clumping plants.
5. Keep soil covered with 1" mulch to protect from weeds and maintain the optimal amount of moisture for the rhizomes.

Check out our specialized fertilizers for different plants - for all your gardening needs!

TopTropicals.com