Date: 24 Jun 2018
Cold hardy tropical fruit trees for Luisiana
Q: I've just moved to Louisiana and have been wondering whether it would make sense to plant some tropical fruit trees in our garden. Average lows in New Orleans are 41 deg F in January and February, although we did hit 25 once with the Arctic vortex. I'm interested in litchi, longan, rambutans, and persimmons. Do you have varieties that can tolerate Louisiana's temperature range? I'd love mangosteen but I don't suppose they will survive. Do you have any suggestions on tropical fruit trees that I could try?
A:
Average temperatures are for statistics only; it is actual
temperatures that may hurt your cold sensitive plant. This
is what you should keep in mind when starting your
tropical fruit collection:
1) Ultra-tropical plants like Rambutan can not survive
winters below 45-50F. However, they can be successfully
grown in containers in a greenhouse or moved indoors into
a sun room during cold periods.
2) Tropical plants like Litchi and Longan may take some light
frost once established. Still, for areas with freeze our
advice is - keep them in pots and move inside in case of
cold.
3) There is a number of subtropical fruit trees that are
hardy enough to take some freeze. Persimmon, Feijoa, Fig, Cattley Guava, Jujube, Kiwi, some Eugenias and others. Please
refer to our Tropical Fruit Sensitivity Chart.
4) Remember that plant's ability to survive winter depends
on several factors, not only temperature itself. Important
factors are: wind protection (chill wind kills rather than
low temperature itself), exposure, how close the tree is
planted to the house, plant maturity and its overall
strength and health. If a plant had received good
nutrients during summer, has well established root system,
planted in enclosed area protected from winds and has
plenty of bright sunlight - it has better chances to
survive than a weak plant in warmer conditions.
5) Use SUNSHINE plant boosters
Date: 18 Jan 2017
10 plants that can make you happy.
3D garden ideas.
3D garden ideas.
Q: Can you make my yard bigger and prevent it from freezing?
A:
Yes, we can make your backyard bigger by adding a 3rd dimension - trees as a upper level, shrubs as a second level, vines in between, low growing perennials below them. Add ground covers and potted plants as separate specimens in between in-ground planted trees and shrubs. One more separate dimension is orchids and other epiphytes that happily grow on the trees. This multi-level structure will allow you not only collect so many plants, but also maintain them in a natural environment, similar to how they grow in a wild.
As far as preventing from freezing - it depends. You can use greenhouse, cover plants, create microclimate under large canopies, etc. Some tropical plants are tolerant to light frost, once established. If it gets below freezing in your area for more than a few hours, and especially if you have numerous nights with frost throughout winter, we recommend to keep plants in pots (BTW, this way you save space and can collect even more!). Pots can be moved to protected area during cold nights. The more established the tree, the more chances to survive colder temperatures. You may also use propane heaters during cold nights.
We also use plant booster SUNSHINE boosters to increase plants cold tolerance.
Cold protection is a lengthy subject. Here is some more information on cold protection.
Also, we recommend to check out our magazine Tropical Treasures (about pushing the limits of tropical gardening) for a detailed article on cold protection.
These are specific articles on Zone-Pushing in different issue #s regarding dealing with cold. See downloadable issues:
(#1) Growing Tropicals in Nontropical Climate, Three Freezing Nights in Southwest Florida
(#2) Temperature drops - an alert or a rehearsal?
(#5) Dealing with cold snaps, Cold hardy beauties
(#7) When winter is around the corner, Growing exotic Cordyline in colder climate
(#8) When the weather outside is frightful
(#9) Winter champions
(#11) Ready-for-winter checklist for in-ground plants
(#13) Winter checklist
(#18) Dealing with cold damaged plants
You may also order hard copies.
If temperatures drop below freezing in your area, remember to add Heat Pack to your order!
10 plants that will make you happy.
Everyone wants to be happy. Did you know that growing plants is not only fun but can also make you happy? In our new series we will introduce to you 10 plants for your tropical collection that will make you happy.
Visit our Facebook, YouTube Channel and stay happy!
Check out this video: 10 plants that will make you happy. Plant # 1 - Rose Apple.
Stay updated with TopTropicals Videos by subscribing to our channel at YouTube.com/TopTropicals
Date: 10 Sep 2016
Organic remedy for indoor plants insect protection
Q: Winter is coming and I moved my collection of fragrant plants inside the house about a week ago. Today I noticed some aphids on my jasmine. I guess they sneaked in with the plant from the garden where it was a week ago. I don't want them to spread around and get to the nearby gardenia. What should I do to protect my plants from insects indoors?
A: Sometimes bugs attack indoor plants more than those outside in the garden. The main reason is lack of air circulation, lack of sunlight, lack of bug natural predators, and lack of plant's immune resistance due to winter dormancy. So, you need to pay extra attention at your plants health during colder months they spend indoors. Inspect leaves, especially underneath, at least on weekly basis.
If noticed first signs of insect attacks (insects and/or leaf damage such as holes, chewed edges, discoloration, dark or sticky coating), use a simple organic remedy that is handy in every house. Mix in a cup of hot water two tablespoons of any cooking oil: Canola, Vegetable, Sunflower, Olive; Neem oil is the best for this purpose, but it does have a pungent odor (bugs don't like it as well as some people). Add a few drops of dish-soap for better mixing oil in the water. You may add a clove of pressed fresh garlic - bugs hate it! Clean leaves with this solution using cloth, paper towel, and/or spray bottle.
If insects are persistent or your treatment arrived too late when a plant is excessively infested, after cleaning with the oil solution, you may use additionally systemic insecticide sprays sold in garden centers, with active ingredients of pyrethrin, imidacloprid or similar. Make sure to read product label and follow instructions.
However try the organic recipe first, it really works! You may repeat it as needed, as often as you want!
See
target=_blank>TopTropicals Video on Safe and Easy Pest Control
Date: 12 Jul 2016
RARE AFRICAN GINGERS
By John Banta. The rarity of African gingers is only matched by their beauty. The rarest, and most costly is the remarkable blue flowered, Siphonchilus beachystemon. It was discovered in Kenya in 1957 by an English tourist. It reminded her of the beautiful blue Himalayan poppy, Meconopsis grandis, she often admired at the Edinburgh Botanical Garden so she had her guide collect a plant or two that she took back to Edinburgh. The few plants available in horticulture today come from that original collection over 50 years ago.
Fortunately there are about 15 species of Siphonchilus found in Africa and some of most outstanding ones make grand additions to our gardens. Listed in order of their vigor and availability they are:
Siphonochilus decorus. The large butter yellow flowers only last for a day but they continue to develop for weeks. In Zimbabwe it is considered one of the outstanding native plants. It is closely related to the next ginger and forms hybrids with it that are usually sterile. Read more...