Date: 31 Aug 2016
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: 20 Oct 2023
How to help a weak tree to recover and thrive?
Q: Look at my sad looking Lychee tree. Can you share with me any ideas about this tree condition?
A: From the photo (left), we see a few potential issues. The problem might be due to a combination of factors such as a heavy potting mix with poor drainage, over-watering, an underdeveloped root system sensitive to these conditions, leaf burn, and a lack of nutrients.
Suggestions for fixing the problem
1. Soil mix. First, assess the quality of the soil. If the plant has been in the same pot for a while, the soil at the bottom may have become compacted, leading to poor drainage. If this is the case, carefully remove the root system from the existing soil (by removing excess soil around the roots without disturbing the roots themselves). Repot the tree into fresh, well-draining potting mix with good drainage characteristics, which typically contains materials like bark and perlite. Ensure that the new pot is exactly the size of the root ball; using a significantly larger pot can lead to soggy conditions that harm the roots.
2. Light. Place the potted tree in an area with filtered light, avoiding direct sunlight throughout the day.
3. Water. Control the watering. During this recovery period, your plant will need very limited water until it shows signs of improvement and new growth. After repotting, water it thoroughly just once, and avoid watering again until the top layer of soil becomes dry. Then, water as needed. Avoid keeping the soil consistently wet, especially during rainy periods. Protect the plant from excessive rain.
4. Supplements. Consider applying Sunshine Superfood micro-elements following the label instructions, once a month. Additionally, using Sunshine Epi bio-stimulant, sprayed every other week, can help the plant recover from stress and encourage growth. You can also use Sunshine C-Cibus at half the recommended concentration with each watering. Hold off on any other fertilizers until the plant has sufficiently recovered and begins to show signs of new growth.
5. Transplanting. If you plan to transplant the tree into the ground, it's advisable to wait until spring when nighttime temperatures consistently stay above 65F for at least two weeks.
6. Temperature. Keep the tree in a warm environment. When temperatures drop below 50F, bring it indoors.
These steps should help the tree recover, grow healthy leaves, and establish a better root system, preparing it for successful transplantation into the ground or a larger container, ensuring a happy and productive life ahead.
Date: 18 Aug 2023
Does Size Matter?
TopTropicals plants vs other mail order plants
Q: I purchased various plants via mail order (including a Coffee tree and some flowering vines) from companies *** and ***, but they did not survive, possibly due to their small size and the stress of shipping. Could you provide information about the size of your plants, their resilience to shipping stress and the time required for establishment?
A: Plants, as living beings, may experience stress during a few days of travel in a dark box. However, the critical factor influencing their survival is the plant's size. Most of our plants are grown in pots ranging from 1 to 3 gallons, have established root systems and developed branches. Some even feature flowers and fruit, although these may drop during transit. We've included images comparing our 1 gallon size plants with those from other mail-order firms we previously obtained for our own collection.
Understanding that post-shipping plant establishment is a gradual process is crucial. Yet, most plants handle shipping well and commence new growth within days to a couple of weeks post-arrival. Here are some success pointers:
1) Opt for a container matching the root ball size, avoiding excessive
sizing until growth initiates.
2) Begin in a shaded area, progressively transitioning to brighter
spots.
3) Apply
Sunsine Epi spray to lessen stress and enhance vitality.
4) Initiate fertilization once the plant displays fresh growth.
For more information on how to establish mail order plants, simply download our Plant Care Guide.
Date: 8 Feb 2023
Gift Plants
In the photo: fragrant Jasmine Sambac Maid of Orleans
How to make the best gift plant?
1. Consider her/his interests and environment: Think about the recipient's favorite colors, preferred growing conditions (e.g. sunlight, temperature), and any specific plants they already have and like.
2. Choose an easy plant, especially when giving it to inexperienced gardener. Desert roses, Plumerias, Indoor plants are great for both beginners and experts.
3. Something to enjoy right away: Select an established plant with developed roots and foliage. Grafted fruit trees will produce soon, and aroma of a spice tree can be appreciated without waiting for it to grow bigger. House plants such as Philodendrons with ornamental foliage will brighten the room.
4. Presentation matters: Wrap the plant in decorative paper or a gift bag, and consider adding a bow or tag for a personal touch.
5. Add a personal touch: Consider pairing the plant with a personalized message or a small item such as a watering can, plant food, or a pretty planter. Your thoughtfulness will make the gift even more special.
Some gift plant ideas: Jasmines - Desert Roses - Gingers - Mango - Avocado - Spice plants - Indoor plants - easy maintenance plants - Plants of Love: Aphrodisiacs.
In the photo: Annonas are one of the most popular tropical fruit trees, fast fruiting, suitable for small gardens and container culture
Date: 17 May 2019
Grafted Guanabana - what is the trick?
Q:Should I buy grafted Guanabana or a seedling? It is a big price difference. I have heard that Annonas fruit within 3 years from seed, why do I need a grafted tree?
A: Annona muricata - Guanabana, or Soursop - is known as the best tasting
Annona fruit. Many fruit lovers and gardeners want to have this tree in their
plant collection, and the first question they always ask is: "How soon will
it fruit? I can't wait to enjoy its deliciousness!"
Most Annonas start flowering and fruiting at a young age, 3-4 years from
seed. Annona muricata seedling takes longer. You may read more information on
how to grow Guanabanas from seed, even in a pot, even indoors - in Tropical Treasures Magazine issue # 7. Although it may take up to 15
years to see the fruit...
Now we have a solution to get this fruit sooner - a grafted tree! It
will fruit within a year after planting. The secret of grafting Guanabana was
almost lost (it's a tricky one to graft) and grafted plants were nearly
impossible to find. Now we have them! Quantities are limited.
Keep in mind that Guanabana is very cold sensitive and won't tolerate
even light freeze. However it is still relatively easy to grow even in
subtropical areas: the tree is small, and if tree grown in ground, a simple cold
protection structure can be built around it using basic wood or pipes (metal or
PVC) and covered with plastic for a few weeks of cold weather. Grafted
Guanabana is also a perfect choice for container culture (hand-pollinating maybe
required).
Photo: This grafted tree was planted less than a year ago, and was covered in winter with cold protection for about 8 weeks. Within a year, it has 4 large fruit on it!







