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Topics - Delvi83

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Hi to everyone,

I know most of you  live in subtropical climate, where all Avocado trees can live...

So, this question is addressed to those who live in relative cold climate, where light frost is common during Winter..

I read Avocado Mexicola is the most cold-hardy and can Withstand 15 F...anyway I don't trust and I think that this is only a way to sell more.

Did somone try mexicola in cold climate ? What's the lowest temp recorded ? Could you make comparison with other trees (not only tropical)...for instance, Mexicola vs Lemon after cold spell, or Mexicola vs Tangarine etc...

Thanks for sharing...:)

Most of us know A. triloba and its fruits....however there are more than other 10 species in the genre of Asimina, most of them grow in the Southest of US (es. Florida)...

I was wondering...does someone grow them? Are Asimina obovata, A. tetramera, A. parviflora or other species edible? How do they taste?


Cold Hardy Citrus / U.S. 119...who is growing it?
« on: February 12, 2016, 04:12:51 AM »
U.S.119 is an hybrid of 2nd generation having 1/4 of Poncirus t., 1/4 Grapefruit and 1/2 of Sweet Orange...

It should be pretty cold hardy and give sweet fruits...

Did someone grow it? how does it taste? when does it ripen its fruits?

Thanks :)

Hi to everyone...

Reading on internet you can find many informations....Avocados seem to be very different as Cold-Tolerance, some Cultivar die just few degrees under freeze....others (Mexican) should be very cold-Hardy...

So the question is:

How cold-hardy are the most cold-hardy avocados? I read that can resist it really true? or just advertising? Did someone grow those cultivar in cold area? What's your experiences?

Mexicola is the hardiest cultivars?

Thanks for sharing your information :)

Tropical Fruit Discussion / Starfruit (Carambola) information.
« on: December 24, 2015, 05:28:00 AM »
I've eaten this fruit more times....but the taste is always the same. It's not sweet, it's not bitter or acid....but it doesn't have a strong flavour.

I always bought it in the market.

Are there difference among cultivars? are there sweet Starfruits? Did i eat always fruit from a "not-sweet" cultivar?

Second question :

How cold hardy is Carambola? I know that in winter can lose the leaves without it true? Is it cold-hardy as a Mango?

For those of you that live in the tropic regions this is not a problem.....cold doesn't exist, plants will never have this kind of problem, but moving to north (or south) the winter becomes colder...

Any one of us always wants to try new plants and go near to the climate limit of its area...

Mangos don't have problem in South Florida coasts, but how can I go to north?? Where is the edge between live and death? Some one of you has probably tried and could tell us its story...

The same could be done with other species, in other areas....

On Line we find informations about cold-hardiness of the plants....but are they really reliable? I think the best answers are those coming from field-experience...

So I ask you....if you live near to the "edge-line" for a plant, tell us your story, what's the lowest temperature reached? what's the damage? which plant died? died back to the roots? only minor leaves damage? etc...and also, if they withstand winter without injury, do they fruit well? if you have more plants in the same location, can you make comparisons?

My experience is not done on the field (I live in zone 8a), what I learned is thanks to internet....

So what is the real cold-tolerance of :

  • Lychee
  • Mango
  • Guava
  • Strawberry Guava
  • Annona cherimoya
  • Black Zapote
  • White Zapote
  • Green Zapote
  • Papaya
  • Avocado (Mexican)
  • Avocado (not Mexican)
  • Musa (sp.)
  • Pouteria lacuma
  • Carambola (Starfruit)
  • Coffea arabica
  • Eugenia brasiliensis
  • Eugenia uniflora
  • Carissa macrocarpa
  • Jabuticaba
  • Longan
  • Macadamia
  • Passiflora edulis
  • Passiflora liguralis
  • Syzygium jambos
  • Annona muricata
  • Tamarind
  • Tamaril
  • Tamarillo
  • Dragon Fruit
  • Rambutam
  • Jackfruit
  • Ananas
  • Atemoya
  • Coconut
  • Durian
  • Mangosteen
  • Acerola

Thanks for sharing your precious informations :)


Few days ago I spoke in an Italian forum about the differences for a plant between survive and ripe a fruit....
What do I mean?

In Tropical or Subtropical regions this is not a problem....temperatures are high throughout the year. But in other parts, for instance the warmest part of Europe, the average Temp can be lower than 13 for 4-5 months.

Until few months ago I considered only the temperature that a plant could take without die....and i believed that it was the only "problem" for a subtropical plant in a mediterranean climate.

So a subtropical plant, to ripe the fruits in a frost-free zone, MUST:

- Ripen the fruits before November (so Flowering must occur not too late and fruits must ripe in 4-5 months)
- Fruits must not rot or fall if temperature drops under 10C

Obviously there are difference between area...French Riviera (or Italian Riviera) and Sicily are two frost-free zone, but the max temperature can be different, especially during Spring or late Fall, but in general i noticed that:

- MANGO : Flowers in May and maturing in Sept-Nov (and so it has enough time to ripe)
- GUAVA : Flowers in early summer and maturing the fruit in October
- LITCHI : Flowers in Spring and maturing in August
- ANNONA : Flower in summer, ripening from end of October to December (do you know if it can ripe fruits also with low temperatures?)
- WHITE ZAPOTE : Flowers more times, mutaration in early fall and fruits from other flowers can resist the low winter temperature and maturate in the next spring
- AVOCADO : It depends on cultivars...some can ripe the fruits in early spring and fruits don't rot with low Winter temperatures
- LACUMA : I read about a plant that fruits in Spain...since the fruit takes one year for ripen, I guess it can withstand low winter temperatures
- Coldest-HARDY BANANA : Sometimes they can block the maturation of fruits in Winter and start it again in Spring without problems

- TAMARIND: Few minutes ago I read in the Tamarind Topic that it fails in maturating fruits in Algarve because it flowers too late and in Winter the fruit rot

What about other subtropical fruits??


Which are your experiences??


I've never seen a Tamarind here in Italy, can it be grown in Florida or California?
As I know it likes arid conditions, so California could be better than Florida....does someone grow it? how does it grow? does it flower and fruit? When?

The Tamarind should resist to cold at least until 32 F, but even less for short periods !!



I was wondering if some of you grows Durian in South possible?
As i know it's strictly tropical but I saw that in Winter in Florida you can have 60 F (Min) and (75 Max)......did someone try? what's your experience?


On the Hawai i think there are not problems...

Tropical Fruit Discussion / Does Cold Hardy Mango exist?
« on: August 17, 2015, 12:48:35 PM »
Somewhere I read that new Mango's cultivars were seleceted for their cold hardiness.
I know well that in South Florida the cold is not a problem for Mango, but I read (in the same site) that the new cultivars could be grown in a Mediterranean climate and I guess could be tried in many places of USA were "normal" Mango would die.

Does someone know anything about that? Is it true or just advertising? If true, how is their cold hardiness compared to other not cold hardy cultivars?

Thanks :)

I'd like to know something about Coccoloba does it taste? i read it can be it worth? I saw it only in tropical region...can it thrive also in not tropical frost-free area?


I was wondering if there are some "Edible" Bananas bearing from a frost-resistant Musa ?!
Everyone of us knows that Musa Basjoo resists down to 0 F, but it doesn't bear edible fruits....

I read that Musa Helen's Hybrid might be a good compromise between frost-tolerance and edible fruits...

Does someone grow this plant? How is it resistant to frost ? Do they flower and bear fruits even if the die-back during winter? How does the fruit taste?


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