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Index > Garden Blog

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Healthy Plants: Q&A from Mr Booster

Mango leaves and fertilizing

Q: I received a mango tree we ordered last week (I am in California) and am trying to make sure we take care of it properly. I noticed the corners of some leaves have began drying out. I wanted to see if there was anything else we should be doing or if it is something normal. Overall the tree looks good and the leaves have perked up, but I noticed the dry tips on a handful of leaves. Any help is appreciated! I have not fertilized in the pot yet or applied the mango sunshine booster.

A:Your mango tree looks pretty healthy, and these dry leaf tips may be caused by overall shipping stress. You have dry air in California, and temperatures may be getting up, this may cause additional drying effect. You may start fertilizing with a liquid fertilizer, it will help the plant to get stronger and grow faster - then heat and dry air won't be a problem as soon as the plant becomes better established and hopefully go into a bigger pot soon, or in the ground. Make sure to provide regular water if you have hot dry summers.

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Healthy Plants: Q&A from Mr Booster

Why my Avocado is not flowering?

Q: I have 5 avocados. Three of your cold hardy varieties and two others that have all flowered and set fruit in the past. The last two years including this year, not a single one of them has put out any flowers. I am getting lots of new growth like one would expect on a tree too young to flower. The last two years have been very mild with out any damaging frost where in previous years they lost all their leaves due to frost yet started putting out flowers once winter was over. I am confused because they have all flowered and set fruit previous years. Any ideas would be appreciated.

A: From information you provided, and considering the trees get lots of full sun and cold was not an issue, the only explanation is - lack of nutrients. Here is an example.
Very common situation: you get a small 2-3 ft Avocado or Mango tree in 3 gal pot (or even smaller) from a nursery, full of flowers, and sometimes even a small fruit. You bring it home, plant it in the ground or a bigger pot, it looks happy and grows like crazy. Then next year - oops, no fruit, sometimes not even flowers. What happened?
When the tree lived in a nursery, it was provided with all necessary nutrients through the injector systems (continuous feed); or some nurseries may use top dress smart release on regular schedule. Regardless of fertilizer type, professional grower's set up delivers plant food non-stop, on regular basis, with balanced formulas. Plants are not only growing fast but also ready to produce, since nutrients are always available for a full growth cycle.
When you plant a tree in the ground (or larger pot), conditions change. They may be beneficial for the plant: lots of room for roots to establish, hence lots of vegetative growth. Even if you planted it using good quality fertile soil, this soil may contain mostly nutrients responsible for vegetative growth (branches and leaves). Chances are, your soil may be rich in Nitrogen (good for green growth), but poor in other elements responsible for flowering and fruiting (Phosphorous, Potassium, and many important micro-elements such as Molybdenum, Boron, Iron, etc.). Besides, existing soil gets exhausted quickly, and within a year a two, if you don't add fertilizer, flowering and fruiting may be reduced or even stopped. This is why fertilizing program is very important for fruit trees that are expected to bring a crop soon.

We recommend:

- SUNSHINE C-Cibus - Crop Nutrition Booster - balanced food for fruit trees
- SUNSHINE-Honey - sugar booster - promotes more efficient blossoming and pollination, makes flowers bigger and reduces bud drop
- SUNSHINE SuperFood - for improving fruit trees production

Also keep in mind that some fruit trees have a habit of "skipping" a year and may either produce less or not produce at all every other year. In any case, balanced nutrition program can help to fix this "bad habit".

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Small flowering tree for community

Q: Hi, I live on the east coast near West Palm, but I see you ship your plants. My HOA allows for Yellow Tabebuia species and I'm looking for two or three smaller trees that can fit in my front yard in smaller spaces. Ideally looking for trees that would stay under 20' in height, but preferably even smaller. Can you tell me the average height and spread of the Dwarf Golden Tabebuia or Silver Trumpet trees?

A: The Yellow Tabebuia - Tabebuia caraiba is a very good choice for a small yard. It grows about 20 ft average size, 7-10 ft wide. Sometimes taller, but it is slow growing and it will take many-many years to grow to a bigger size. It is a spectacular tree when in bloom, however, keep in mind that it is not very wind resistant; although it is not difficult to secure it back being a small tree. Another Tabebuia which is even more compact tree, has stronger root system and is more wind resistant:
Tabebuia chrysotricha - Dwarf Golden Tabebuia
Also some other interesting choices:
Radermachera Kunming - Dwarf Tree Jasmine
Senna polyphylla - Bahamas Cassia, Desert Cassia
Cordia sebestena - Scarlet Geiger tree

See full list of compact small trees

Tabebuia chrysotricha - Dwarf Golden Tabebuia

Radermachera Kunming - Dwarf Tree Jasmine

Senna polyphylla - Bahamas Cassia, Desert Cassia

Cordia sebestena - Scarlet Geiger tree

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The most rewarding hardy fruit trees

Q: Recently I started working remotely and I kinda like it, no need to commute, it saves me so much time so I can have life now! My friend got me involved into growing some small houseplants but I really want to take advantage of our Florida climate and sun. I want to plant some cool fruit trees since I have a decent size yard. But I live in Florida Panhandle and we do have some occasional freeze in winter, although not for too long. But it gets very hot in summer! Are there any tropical fruit trees that will be happy here? Or should I keep everything in pots? I am excited to have my own tropical plant collection!

A: There is a perfect plant for everyone, and a perfect tree for every climate. Many tropical and especially subtropical plants can be much hardier than they are believed to be, both flowering and fruiting trees among them. You may keep the most sensitive species in pots and bring them inside for winter, while there are so many trees that will be happy in your area. Start with these that are perfect for climates with hot summers and cool winters:

1. Peaches and Plums

Low-chill, Heat-tolerant Peaches, Nectarines, Plums are especially selected for Florida hot summers. They produce well and do not require many "chill" hours like temperate fruit trees. They only need 150 chill hours and grow well in even in Arizona, so you know they are taking the heat.

2. Figs

2) Fig trees - they are easy to grow, heat- and drought- resistant trees. They are prized for their delicious fruit, which can be one to three inches in length, violet, brown or black. There are even varieties with yellow fruit. Most fruits are borne from early summer to late fall on new growth, and the fruits generally mature very quickly. These trees are sensitive to frost only when actively growing, but can withstand 10F when dormant. Read more about Fig trees.

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NEW INTRODUCTION:
Little Duke - new variety of Jasmine Sambac

We are exited to introduce to the world of tropical plant lovers a new hybrid of Jasmine sambac Grand Duke Supreme - Little Duke!
This new variety combines benefits of 1-1.5" large, triple flowers with a compact, bushy growth habit. What an amazing gift for every jasmine lover! Unlike regular Grand Duke that tends to be leggy, this variety branches out much more and stays short with minimal pruning. Leaves are similar to Grand Duke Supreme - elongated and come in swirls of 3's and 4's. It is a fast grower, reaching mature size in no time, but the plant stays compact, producing multiple flowers on every branch.
Little Duke, or Baby Duke, is a profuse bloomer, providing lots of sun, warmth, and moderate water. It is a perfect houseplant with the strongest jasmine fragrance in the world. A must have for every jasmine collector!

The plants we currently have in stock are very large and developed, with multiple stems, some are full of buds and ready to flower for you. They are in 1 gal pots, ready to be stepped up soon. But hurry up! We have limited stock that will be sold FAST! Don't wait and get this gem today for your fragrant plant collection, before they all sold out! The next batch won't be coming until a few months later and the plants will be much smaller...

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Healthy Plants: Q&A from Mr Booster

Jasmine Grand Duke flowering

Q: Hey can you help me figure out why my jasmine grand duke supreme is not flowering? Ive had it for almost a year (in NY) and only had 1 flower bloom and that immediately turned brown and died. Since then no flowers have come. The leaves are green and healthy and its growing like crazy but not flowers. Please help me figure this out.

A: For profuse flowering, Jasmine sambac needs 2 things: bright light and special plant food. We have plenty of both here in Florida. If your grow this plant indoors in colder climate, get it to flowering can be a bit tricky.
Your plant grows well overall with lots of vegetative growth, this is a good sign, it means it's healthy, and not being overwatered which is one of the most common problems with Sambacs. You're doing a great job! This jasmine just needs more sun and fertilizer.
Make sure to keep it in the brightest spot of your home. The more hours of light, the better. When night temperatures stay above 65F, it is beneficial to bring the plant outside on a balcony, patio, or in a garden in full sun as a potted specimen (move to bright light gradually). You should give this Jasmine plenty of food with every watering. We recommend SUNSHINE Pikake - Fragrant Flower Booster. This is a natural fertilizer that can be applied to plants year round without risk of burning the roots or nutrient lock up in the soil. It provides all necessary elements for the flowering cycle - just add a bit into watering can, every time you water.

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Healthy Plants: Q&A from Mr Booster

Ylang Ylang leaves after winter

Q: Hi, I purchased ylang ylang tree a couple of years ago. It's grown quite well in my Greenhouse but I'm having some trouble figuring out if I'm watering it too much not enough or if it has an insect. Can you please take a look at my photos and maybe give me a suggestion of what my problem might be?

A: It is normal for Ylang Ylang tree to get dark spots during winter time. Sometimes Cananga gets whole branches darkened (especially dwarf variety fruiticosa), some may even fall off. But they will be replaced with new growth in Spring-Summer. There is nothing wrong with your plant, it is just a reaction to cold and short day light when you keep this plant indoors. These leaves eventually will fall off as the weather warms up, and will be replaced with a new fresh green growth.
Luckily, Cananga is not susceptible to insects and diseases, but its leaves can look unattractive in winter. Make sure to keep watering at minimum until temperatures raise to 80's.
Start fertilizing as soon as new growth appears. We recommend SUNSHINE Pikake - Fragrant Flower Booster, an ultimate fertilizer for fragrant plants.

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Healthy Plants: Q&A from Mr Booster

Dragon Fruit Magic Tricks

Q: I purchased two sweet red pitayas, that arrived and were planted on May 28, 2020, they were damaged but not serious. my question is this one pitaya is a beautiful green, and has grown 6or 8 " already, the other is bigger and is a grayish green and has not shown any sign of growth at all in six weeks, how long do I wait before I throw it out and buy another?

A: Being a cactus, sometimes Pitaya slows down its growth waiting for more favorable conditions. If one of your plants doesn't show any new growth, just give a it some more time and make sure the plant stays happy. To make pitaya happy, provide the following:
- Water. Unlike most cacti, Pitaya prefers regular watering (but not a wet soil). Make sure it is planted in well-drained media. Do not water again if soil remains moist, wait until it dries out on the surface. During hot weather, Pitaya enjoys light daily watering.
- Light. Unlike most cacti, Pitaya benefits from a filtered light especially while establishing. Try to create a temporary shade over the plant until it starts active growth (if grown in the ground), or move the pot in filtered light. Dull color or dry spots are signs of sun burn. Once the plant shows new growth, you may remove sun protection, or move the pot gradually into the full sun.
- Food. Pitayas are heavy feeders. Use the following fertilizer:
SUNSHINE C-Cibus - Crop Nutrition Booster

Q: I've been growing dragon fruit cuttings from Okinawa, Thailand and Vietnam for several years in pots and cannot get them to fruit. Any fertilizer suggestions? I live in Northern Virginia so I bring the massive pots in the garage under lights and a heater for the winter but back outside once the temperature warms up.

A: There is a little trick to get Dragon fruit to flowering and fruiting. This plant likes flowering when it is attached to a strong support. In commercial plantations, they use special trellises/frames made out of logs, but you can make one yourself using simple materials.
See article: Do-It-Yourself Support Structure for Dragon Fruit.
And of course, don't forget a special plant food for tropical fruit - Sunshine C-Cibus.
You can successfully get your Dragon fruits to fruit in pots, providing bright light in Summer. In Winter, keep the plants on a dry side to give them some rest and a chance to hibernate before the next fruiting season.

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Healthy Plants - Q&A from Mr Booster: Feeding Avocado Tree

Q:We bought one of your avocado grafts and it's doing great, lots of buds for fruit. It's still in a pot and fertilizing with the Sunshine Boosters. Should we continue with this product? We’ll plant it in the ground in March. Thought you'd enjoy pictures of our wonderful tree. No freezing temperatures in Riverview, but when it got down into the 30s, the plant came in. One good thing about growing in the pot. I'll be buying some more Sunshine Boosters. This stuff is working great on all our plants.

A: Congratulations with a good job on growing avocado over winter. Avocado trees are not easy, we are happy to hear that your plant is ready for production, this is amazing! We've noticed that Sunshine Boosters perform miracles. Here are some suggestions for you:

  1. Continue fertilizing with Sunshine Boosters according to the feeding chart
  2. When ready to plant, dig a large hole and fill it with good soil full of organic matter (compost mixed with existing sandy soil will be good). Make sure to plant the tree on 3-4" high elevation, like on a little hill. Avocados need perfect drainage and can't tolerate wet feet. See more info on planting and planting instructions (pdf).
  3. Water daily with a hose, do not rely on sprinklers. Avocados like water (considering perfect drainage)
  4. Continue applications of Sunshine Boosters at least until the tree is established and starts growing new branches with lots of leaves. After that, you can switch to slow-release fertilizers once a month if it makes it easier, but if you can, continue Sunshine Boosters at least on weekly basis - they really boost plant growth!

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Red Stopper Cherry

Rare plant from Key West

by Mark Hooten, the Garden Doc

Eugenia rhombea, commonly known in Florida as "Red Stopper", is one of four species of Eugenia native to North America. It is a beautiful small tree, bearing small shiny deep green leaves which are pinkish-orange-red when young, giving them the appearance of a flowering tree at a distance when flushing out new growth a number of times a year.
Its native range includes Florida, Bahamas, Cuba, Hispaniola and part of Eastern Central America. However, here in Florida, it is federally listed as an endangered species, only known from the lowermost Everglades and Keys, where even there it is rare.
These elegant little trees grow to perhaps 12 or so feet tall, developing an elegant, umbrella shaped canopy. At a distance, they rather resemble Ficus benjamina, yet with a more orderly and refined appearance. In addition, they develop fluffy white flowers with a delightful fragrance, followed by holly-like long lasting red berries which are relished by wonderful song birds.
Although appearing delicate, this tropical species is surprisingly hardy, and would likely even make striking, a one-of-a-kind houseplant in the North.
These very few plants were grown from seeds collected near Royal Palm Hammock in the Everglades, and and may not be available again for some time...