Garden Blog - Top Tropicals

Date: 25 Aug 2022

What is the largest succulent flower in the world?
Starfish Flower - Stapelia gigantea

Starfish  Flower  -  Stapelia  gigantea

This is one of the most bizarre looking succulents you've even seen! Starfish Flower from Tanzania is one of the largest flowers in the plant world!
It does look like a startfish, and is absolutely beautiful! Being a succulent, the plant is very undemanding and easy to grow, doesn't need much care or water. It also doesn't mind regular irrigation, we have it in Summer Florida rains with no problem. The focal point of this plant is the fleshy, 5-pointed, star-shaped flowers (to 10-16" across), each being pale ochre-yellow with thin transverse maroon lines. It is a great container plant and very fast growing, can fill a large hanging basket within just one season. Flowers on and off during the warm season with the most profuse flowering at the end of Summer (flower buds are triggered by shortened daylight hours in fall). It is a spine-free succulent member of the milkweed (not cactus!).

Starfish  Flower  -  Stapelia  gigantea,  large  flower

Stapelia  gigantea  inside  of  flower

Date: 25 Jun 2021

Peanut Butter Fruit... tastes like peanut butter!

by Alex Butova, the Witch of Herbs and Cats

...One of the most fascinating exotic fruit, as amazing as Miracle fruit, Peanut Butter Fruit is loved by both kids and adults... and yes, it tastes exactly like peanut butter!.. Yet it is much healthier food, with many medicinal benefits...
...The easy, low-maintenance Peanut Butter Fruit tree is essential for any edible landscape, rare fruit collector, or tropical/subtropical garden. It has a great ornamental or screening value. Also can be grown in container, and will fruit indoors... Similar to fast-fruiting Annonas, and its close relatives Malpighia (Barbados Cherry) and Bursonima (Nancy Tree), Bunchosia tree starts fruiting in small size and at young age: 2-3 years from seed!..

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Date: 20 Dec 2019

Plumeria cold protection

Q: We have a purple-flowering plumeria which resides on our sunny deck during the warm months and then Winter vacations on our back porch where we can close the plastic film windows and where it stays above 50 degrees (overnite) until it can get moved outside again. We live in zone 8+ in South Carolina and I would love to plant it outside. Do you think if we ghost-covered it when alerted that we would have an overnite freeze, that it would survive being planted in the ground and recover to flower when warm? I don't believe the soil in our yard has ever frozen below the top 1/2 inch or so, and never for more than a few hours at a time. What do you think?

A: Plumerias are tropical plants, which means, they need frost-free environment. Even if the ground is frozen only on "the top ½" or so" - this may be enough to kill the plant. From our experience, plumerias can withstand a few hours of windchill frost (not frozen soil), but even if they survive, they may get some branches damage, and recovery may take so long that the plant may not even bloom the next year. So I wouldn't take that risk even with a ghost-cover cold protection. We have customers who grow tropical plants in the ground in colder areas, but they have greenhouse protection: this means, the soil is warm and the air temperature is maintained above 45-50F. For example, this Greenhouse in Virginia.

We recommend to continue growing your rare plumeria in container and move it inside when temperatures drop below 50F (recommended) and for sure when they drop below freezing. Plumeria can take a cold night (a few hours of upper 30's) as long as it is followed by a nice warm sunny afternoon with at least upper 50s. Otherwise, keep it indoors. The good news is, since plumerias are deciduous and have no leaves in winter, low light level won't affect the plant.
Just make sure to minimize watering and keep the plant on a dry side until it starts growing new leaves in Spring. You may continue fertilizing once a week with half-doze of Sunshine boosters - Sunshine TotalFeed. This will maintain the plant healthy and prepare for the blooming season in Spring.

Date: 11 Oct 2019

Fun of growing your own Pepper

By Onika Amell, tropical plant specialist

Q: Can you grow your own black pepper plants in the USA?

A: Who does not love the smell of freshly ground pepper, especially that lovely combination of white, green, black and red peppercorns, which are so much more interesting than just plain black corns. Yes, you can absolutely grow your own pepper! Peppercorns come from the plant Piper nigrum.

Growing Pepper Plant

Black pepper plants are actually vigorous vines, although they are pretty slow growing and can be kept in a pot as a compact plant. But they will need a strong support to climb over. Indoors, you can provide this support by installing a trellis in a large pot. Some gardeners prefer to grow them as a hanging plant instead. In warm climates, you can plant them directly outdoors in a protected location with partial shade. These plants need rich, moist, well-draining soil and warm, humid conditions. Peppers do not like temperatures below sixty degrees, although they can survive some cold spells. It is very important to bring these plants indoors or wrap them in a blanket if colder weather arrives.
If you live in colder parts of the country, you can certainly grow peppercorns in large pots. Grow them outdoors during the summer and move them indoors during the winter, or grow them year-round in your greenhouse. Houseplants will need bright light and consistent moisture. Spray the leaves regularly with a bottle of water to increase humidity. Do not allow room temperatures to fall below sixty degrees.
Besides the benefit of being able to grow your own gourmet pepper corns, the foliage, as well as the flowers on this plant, are beautiful in its own right. Off-white flowers appear from spring through summer, followed by slow fruit production. The berries will appear on spikes, with 50 to 60 berries per spike.

Fertilize this vine in the spring before new vigorous growth emerges. We recommend:
Tropical Greenhouse Plus - Plant Booster
Tropical Allure - Smart-Release Booster

You may be surprised to learn that black, white, green and red peppercorns are all the same seed on the same plant in the various stages of development and processing.

Black peppercorns are the most familiar and come from the corns that have reached their full size but are still green and not quite ripe. They are picked and allowed to dry in the sun. Enzymes in the berries cause the skin to turn black during the drying process. They are the strongest in flavor.

White peppercorns are the mature berries that ripen to a red color before being picked. After harvesting, they are soaked and rubbed free of the outer skin down to the smooth white underlayer, then dried and bleached by the sun. They are slightly milder than black pepper.

Green peppercorns are the unripe peppercorns picked at the same stage of ripeness as black peppercorns, but not allowed to dry. They can be pickled in vinegar or brine. They are the least pungent.

Red peppercorns are the mature, but unshelled version of the peppercorn. One can usually find them in some gourmet and health food stores. They can be quite expensive.

Ground pepper will only stay fresh for about three months, but peppercorns will last indefinitely. To make the most of your pepper harvest, store the peppercorns in an airtight container in a cool, dark location. Grind them immediately before use for the best flavor.
There is nothing like freshly ground black pepper simply combined with a good quality olive oil and a splash of balsamic vinegar. This makes a wonderful dipping sauce for fresh bread. Simple, yet elegant. All the better if the pepper was grown in your very own garden!

Date: 21 May 2019

Perfecting a Mango Tree

TopTropicals.com

Q: I recently purchased a Mangifera indica - Coconut Cream Mango from you and would like to know if it is possible to keep this in a large pot rather than putting it in the ground. If so, I have a few questions:
1. How large would you expect this variety to get?
2. What are the ideal growing conditions? Full sun, partial sun, etc...?
3. What is the ideal soil?
4. Any specific watering directions for ideal growth?

A: Coconut Cream mango tree has a moderate growth. We've planted one in our garden 4 years ago and it is still under 10 ft tall. This variety should be well suitable for container culture.
1. Keep the branches trimmed after fruiting is over. Mango trees can be grown in 15 to 25 gal containers and can be trimmed under 7-8 ft high.
2. All mango trees need full sun, the more sun the better.
3. Mango needs very well draining soil, ideally with lots of bark and perlite. We recommend our professional soilless mix or a similar formula.
4. Mango trees hate wet feet, and prefer to stay on a dry side: make sure soil in a pot doesn't stay wet; allow it to dry a little between the waterings.
Remember to apply Mango Food fertilizer during warm season for vigorous growth and heavy crop!