Garden Blog - Top Tropicals
Date:
Three interesting varieties of Avocado
Q: I intend to gift three avocados, at least one type A and one type B, to a friend who lives in an area where the temperature never goes below 25F. The idea is to give them a ripening season as long as possible. Which combinations do you suggest, and which are the A and B?
A: When talking about "A" type and "B" type in Avocados, we are referring to the flowers. An avocado will produce both male and female flowers on the same plant. "A" type means that the flowers are female in the morning and male at afternoon. "B" type means that the flowers are male in the morning and female in the afternoon. If you plant to start a commercial growth, then it's important to create a proper mix of both types. However, in hot and humid climate a single tree produces flowers of both types, so it is NOT necessary to have both A- and B- types planted together in the backyard. Even a single tree produces enough fruit for a home gardener.
It is also important to know that while there are "more cold hardy" avocados (hardy to as low as 15F), it refers to a full grown established tree. Young trees still need protection from the cold until they are bigger and more established. One can not expect a small tree planted in June to survive the first winter with a hard freeze. It'll take a few years until the tree is strong enough.
These a few rare varieties that may be of your interest.
Poncho Avocado
Very cold hardy variety. Produces medium to large green fruit. It
survived temperatures around 10F near San Antonio, Texas (Zone 8b). Mature trees
can take temperatures down to 15F for short period of time without significant
damage.
Anise Avocado
This avocado has strongly scented leaves that smell like Anise. Very
rare variety. Fruit is of excellent quality, creamy and buttery.
Catalina Avocado
Catalina is a very nice mid-season pear-shaped fruit that is especially
rich and creamy. It is an extremely popular variety in South Florida in the
Cuban Community. The Story of this variety says...
...Catalina is an amazing avocado floated across from Cuba, 60 years
ago just before Fidel Castro took over the Island Nation. Wise Cubans jumped
into the ocean to escape the Castro regime and tossed in some favorite scions
for us to enjoy here in the States. We owe a great debt to poor old Don Miguel
Cruz de la Santa Maria Espinoza Sanchez Alvarez Jr. who sadly was lost at
sea. His amazing scion wood, wrapped in cellophane and aluminum foil floated
over, washing ashore on Miami Beach. His shiny little package was miraculously
picked up on the shoreline and immediately grafted and cared for by keen-eyed
avocado lovers in Miami...
So be sure to think about this story every time you eat a Catalina!
These three Avocados will provide you with fruit ripening during the whole warm season. See more information on avocado varieties and the most cold hardy cultivars.
Check out our full selection of avocado varieties. They are 15% OFF today!
Date:
Chosing a good avocado tree
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:
What you need for successful growing Adeniums
1) Adenium plants - from TopTropicals Endless selection of
Adeniums. We have double flower, red, purple, yellow
and even black flowers!
2) A small pot with excellent drainage is a must.
Position the plant in a pot, size of root system.
3) Adenium soil mix. TopTropicals Adenium Soilless Mix.
Use only well-drained soil.
4) Lots of light. Adeniums need lots of light for
heavy flowering. However from our own experience, in super
hot climates, they look healthier in filtered bright
light. After initial planting, once the plant is
established and starts growing new leaves (may take a few
weeks), gradually move it into brighter light.
5) Little water. Adeniums like a neutral to hard
water. Acidic water tends to sour the soil too fast and
may cause root rot. Water plants preferably in the early
morning, and allow them to drink up throughout the day.
Watering can be done daily to every few days. Do not water
again until soil dries on surface. Never allow your plants
to sit in a saucer of water, but don't let them to dry out
too often - this causes adeniums to go into early
dormancy. Adeniums do not like both over-watering or
drying-out.
6) Fertilizer. To make your plant develop a large
swollen base/trunk, you'll need a good quality fertilizer.
Use slow-release granulated fertilizer
for overall plant health, and liquid water soluble
fertilizer for swelling up trunks that is also used to
increase flowering. It shouldn't be too high in nitrogen,
the middle number should be the highest (similar to
10-50-10). Never apply fertilizer directly on roots and do
not liquid feed when a plant is thirsty: always water
first slightly to avoid root burn and leaf drop. Do not
wet leaves.
7) SuperFood micro-elements. Besides
macro-nutrients provided by fertilizer, Adenium needs
micro-elements for balanced development of root system and
especially caudex: Sunshine-SuperFood.
8) SUNSHINE-BC. Spray leaves with SUNSHINE-BC once a month to
encourage young growth, profuse flowering and large
caudex.
9) Growing caudex. There is a secret how to create
a large swollen caudex: raise the plant a bit every time
you re-pot it, so that the upper part of roots will be a
little exposed. The plant will form more roots that will
go down.
See full list of Adeniums - plants and seeds.
Date:
Hardy avocados
Q: I intend to gift three avocados, at least one type A and one type B, to a friend who lives in an area where the temperature never goes below 25F. The idea is to give them a ripening season as long as possible. Which combinations do you suggest, and which are the A and B?
A: When talking about "A" type and "B" type in Avocados, it is referring to the flowers. An avocado will produce both male and female flowers on the same plant. "A" type means that the flowers are female in the morning and male at afternoon. "B" type means that the flowers are male in the morning and female in the afternoon. If you plant to start a commercial growth, then it's important to create a proper mix of both types. However, in hot and humid climate a single tree produces flowers of both types, so it is not necessary to have both A- and B- types planted together in backyard. Even a single tree produces enough fruits for home gardener.
It is also important to know that while there are more cold hardy avocados, it refers to a full grown established tree. They will still need protection from the cold until they are bigger and more established. One can not expect a small tree, which was planted in June, to survive the first winter. It'll take few years until the tree is "harden" enough.
Wurtz Avocado: Fruits from May to Sept.
Dwarf hybrid. It is very compact and slow growing, reaching only about 8-12 feet at maturity. Distinctive weeping growth habit. Suited for planters, containers, patios, greenhouse use. Great for dooryard or container growing. The tree can handle temperatures to 25(F) degrees. Production is good and it is a consistent bearer.
Day Avocado: Fruits July to Sept.
Day avocado is green, smooth skin and is shaped like a club. The fruit is of very good quality and has a nice buttery consistency. The slender tree is relatively cold tolerant and produces July through September.
Fuerte Avocado: Fruits Nov to June.
Relatively cold hardy variety. Green fruit, elongated,flavor excellent, buttery. Vigorous compact tree with decidedly alternate year bearing habit. Ripens November to June.
These three will provide you with fruit ripening during the whole warm season.
For the most cold hardy avocado varieties, see this info sheet.
Date:
Overwintering Adeniums outside of tropics
Q: We bought several adenium plants from you. We are moving to the Denver area of Colorado. How can we make sure the plants survive? Should we use a green house?
A: Adeniums are perfect container plants, and house plants. They can be easily grown outside of tropical climate. During winter, Adeniums drop leaves and go into dormancy which makes it easy to keep these plants in a dormant stage in a warm location of your house, or possibly even in well-lit spot of garage (with a window), with temperatures above 50-60F.
Here in South Florida, during time of cold, when chances of freeze are high, we move our own Adenium collection into lanai, with plastic sheet protection around lanai.
In colder climates, Adeniums can be kept indoors as house plants during winter. There are some requirements/tips for you:
- Temperature. Move Adeniums indoors when temperature starts dropping below 45F.
- SUNSHINE. Use SUNSHINE boosters to improve cold resistance of Adeniums, and essure healthy plant throughout winter. SUNSHINE-BC formula is specifically designed for plants with caudex, and bonsai.
- Water. Reduce watering to minimum, especially when plants drop leaves - this means they went into dormancy. Once a week light watering is enough. Water very carefully during cooler months. When it is hot (85-100F), excessive water usually won't harm adeniums: it will be partially used by a plant, and partially will evaporate. Especially be careful with water when temperatures drop below 65F - then tropical plants simply stop growing process and go dormant. Once adeniums start losing leaves, this is a sign to reduce watering to once a week to once a month, and in very small quantity (couple tablespoons per pot).
- Light. Bright light is not necessary, but do not keep them in dark either, even if all leaves dropped. Good light is necessary to maintain healthy stems and caudex. Keep in mind, the less light, the less watering too. Ideal spot is a windowsill, however if your space is limited and all windows occupied by other "leafy" plants, location close to window will be enough as long as watering is reduced, to avoid rot. We keep our big collection specimens on a roofed porch during winter, where level of light is very low. Last winter we haven't lost a single plant due to low light. They take shade pretty well considering minimum or no water. However bright light is always better - it creates healthier environment for a plant. We all know about space limitations for our large collections, especially in winter. So if you can afford a bright spot for adenium during winter - the plant will be lucky!
- Soil. Use only well drained mix with much higher content of perlite than you would use for most tropical plants. For adeniums, we use mix with 30-40% of perlite in it, while regular mix has 10-15%. Adeniums like alkaline soil, unlike most of tropical plants (hard to say what else likes alkaline... Ficus for sure!). This means, regular mix with high content of peat moss may cause root rot. To increase alkalinity, you may add dolomite. Here in Florida where we have natural supply of shell rock handy, it is easy to add some shell to a potting mix (shell sand, rather than quartz sand). We always add a few large shells on top of a pots with a big specimen. Besides increasing soil pH (making it more alkaline), shells look very decorative.
- Fertilizer. No fertilizer until Spring when plants start showing new growth and new leaves.
- Move your Adeniums outside in Spring, when chances of freeze are zero. More sunlight and air circulation is beneficial for breaking the dormancy and providing plants with a quick growth start.
Date:
Planting instructions for bare-rooted succulent plants
Q: I would like to order a few Adeniums from your selection. You website says "shipped barerooted". What do I need to know about potting these plants before I order?
A: Adeniums do not require much soil; large 4-5" wide caudex plant can be grown in 1 gal pot. After unpacking the plants, position it in a pot, size of root system. Use only well-drained soil with high content of perlite and/or sand. Cactus mix can be used too, although we recommend using our special TopTropicals professional soilless potting mix. Water once and keep in warm (75-80F) place in filtered light. Do not water again until soil dries on surface. Once the plant is established and starts growing new leaves (may take a few weeks), gradually move it into brighter light. Then you can start fertilizing it. You may place shells and lime rocks on top of adenium planting, as these plants benefit from slightly alkaline soils.
See Info sheet on Adenium care.
See full list of Adeniums.
See full list of Plumerias.
See full list of Euphorbias.
Date:
Desert rose winter care
Q: I purchased several packets of desert rose seeds last year. I now have 45 very healthy seedlings some of them in bud. Almost all of my seeds grew but I lost most of them when I rook them in during winter. I did not water them for a month , kept them in their pots and set them by the window. they either dried up and died or rotted and died. I noticed when you send me grafted specimens that you bareroot them. Is this a better way to keep them inside in winter, bareroot? I hate to lose these plants come winter time. Pls advise me. I live in Houston, Tx. where we get temps below 40 degrees and sometime a day or more of freezing temps.
A: Thank you for your question. Rot is pretty common problem with Desert Roses. We monitor our Adeniums closely and have a special set up of watering environment and schedule, in dedicated greenhouses just for them. Nevertheless - every now and then we see a rotten caudex and can't help it to say "oops! over-watered!" These plants are very sensitive to environment changes, especially when it comes to a combination of water and temperature. These are a few tips that should help you to reduce risk of plant loss to a minimum:
1) Use only well drained mix with much higher content of perlite than you would use for most tropical plants. For adeniums, we use mix with 30-40% of perlite in it, while regular mix has 10-15%.
2) Adeniums like alkaline soil, unlike most of tropical plants (hard to say what else likes alkaline... Ficus for sure!). This means, regular mix with high content of peat moss may cause root rot. To increase alkalinity, you may add dolomite. Here in Florida where we have natural supply of shell rock handy, it is easy to add some shell to a potting mix (shell sand, rather than quartz sand). We always add a few large shells on top of a pots with a big specimen. Besides increasing soil pH (making it more alkaline), shells look very decorative.
3) Water very carefully during cooler months. When it is hot (85-100F), excessive water usually won't harm adeniums: it will be partially used by a plant, and partially will evaporate. Especially be careful with water when temperatures drop below 65F - then tropical plants simply stop growing process and go dormant. Once adeniums start losing leaves, this is a sign to reduce watering to once a week to once a month, and in very small quantity (couple tablespoons per pot).
4) We do not bareroot adeniums for winter storage. They are not bulbs. Barerooting of this plant is recommended only during shipping. Adeniums can stay without soil for up to a week without hardly any stress, sometimes even longer.
5) We keep our big collection specimens on a roofed porch during winter, where level of light is very low. Last winter we haven't lost a single plant due to low light. They take shade pretty well considering minimum or no water. However bright light is always better - it creates healthier environment for a plant. We all know about space limitations for our large collections, especially in winter. So if you can afford a bright spot for adenium during winter - the plant will be lucky!
Adenium Summer Sale: 20% off plants and seeds!
Date:
Growing Exotic Adeniums
Exotic varieties of Desert Roses. Adeniums have many spectacular hybrids. The basic culture is very similar to orchids. A small pot with excellent drainage is a must. Adeniums do not like both over-watering or drying-out. There is a secret how to create a large swollen caudex: raise the plant a bit every time you re-pot it, so that the upper part of roots will be a little exposed. The plant will form more roots that will go down.
To make your plant develop a large swollen base/trunk, you'll need a good quality fertilizer. Fertilizer requirement for swelling up trunks is also used to increase flowering. It shouldn't be too high in nitrogen, the middle number should be the highest (similar to 10-50-10). Never apply fertilizer directly on roots and do not liquid feed when a plant is thirsty: always water first slightly to avoid root burn and leaf drop. Do not wet leaves. Adeniums need lots of light for heavy flowering.
Most hybrids and species start blooming in the spring when the conditions are warm and days get longer, and continue blooming through the fall and winter in warmer climates. Adeniums like a neutral to hard water. Acidic water tends to sour the soil too fast and may cause root rot. Water plants preferably in the early morning, and allow them to drink up throughout the day. Watering can be done daily to every few days. Never allow your plants to sit in a saucer of water, but don't let them to dry out too often - this causes adeniums to go into early dormancy.
Planting instructions for bare-rooted succulent plants. Position the plant in a pot, size of root system. Use only well-drained soil with high content of Perlite and/or sand (cactus mix can be used), water once and keep in warm (75-80F) place in filtered light. Do not water again until soil dries on surface. Once the plant is established and starts growing new leaves (may take a few weeks), gradually move it into brighter light. Then you can start fertilizing it.
Date:
Adenium: a Rose by any Other Name
New
article by Jane Jordan.
"...The famous quote is often used to imply that the names
of things do not affect what they really are, in the case
of The Desert Rose (Adenium obesum) it is not a rose at
all, rather a succulent that thrives in hot, dry and sunny
conditions. These spectacular plants have no relation to
the rose family, they are a species of flowering plant
from the dogbane family, Apocynaceae. The naming of this
plant is partly correct as they originate in sub-Saharan
Africa and the Arabian Peninsula, where they can grow into
large trees with huge swollen trunks..."
Continue reading...
Date:
Our honest advise on Holiday Gift Plants
Q: Any suggestions on gift plants? With Holidays around the corner, I've been thinking of getting a present for my grandma, she lives in FL and is an experienced gardener. I also have a friend that lives in CA, also warm climate, but she doesn't have a green thumb. Any "easy" plants I can try for her?
A:
Live plant is a perfect gift, as we all know. However when
ordering a plant online as a present, for a happy
experience, you should have three things to consider:
1) Gardener's experience. Planting instructions are
included with every order, and usually success is there if
you follow them. But all plants go through shipping stress
(some more, others less) and need time, patience and love
to recover. Also, a plant will need a new home after
shipping: a pot and a good soil mix. It would be wise if
you add potting mix with a gift
order; the plant should be planted in a permanent pot as
soon as possible, but normally can wait a day in a packing
bag until its new owner gets a pot, if it is not ready
yet.
2) How easy the plant is? If buying a plant for a
beginner, chose something easy, as well as showy. Adeniums - Desert Roses, Jasmines, Clerodendrums, Cordylines are always a good
choice. Calatheas, Gingers and
Heliconias are always showy, even when not in bloom.
Spice trees and herbs are
fun, easy to grow and one can enjoy their aroma right away
without waiting on them growing bigger. Miracle Fruit is an awesome
present, it comes with detailed instructions how to grow
the Miracle!
3) How easy the plant ships? Some plants can be
easy in cultivation, but they don't take shipping well.
After being in a dark box for a few days, most plants
usually recover well in experienced hands. When making a
present, you want something showy, not just a stick to
arrive. Besides Adeniums and Jasmines, many fruit trees
usually take shipping without a problem - such as Mango or Sapote trees. You may not
want to start with Avocado, Papaya, Carambola, or Cacao - unless they go to
an experienced grower - these may take some time and skill
to etanblish. Fig trees are super easy in
shipping, but figs may drop leaves in Winter - for this
same reason, you may think twice about deciduous plants
like Sugar Apples, Grapes, Mulberries or Persimmons to be sent as
gifts. On the other hand, if you are sending a deciduous
tree to a gardener who can appreciate the variety, this
may be a good choice - dormant plants take shipping with
less stress!
Holiday special: On the picture: Adenium Xmas Santa. A Holiday Special Desert Rose with Christmas-colored flowers - deep-red and white.
Still not sure which plant to choose? You may buy a Top Tropicals Gift Certificate, it ships well and has no expiration date!




