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Topics - Tropicaltoba

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Hey everyone, I have yellow dragon fruit doing well in a container but itís hard to ďpot upĒ due to the fact that I have a support post bolted to the plastic pot. Do you think I can add a heavy top dress to the pot instead of potting up? I wasnít sure if root rot is an issue with all the adventitious roots they put out. Does anyone have experience with this?

Hey all, so Iíve been fertigating (water and dilute fertillizer) my containerized plants with home made organic liquid fertillizer from a worm farm and bokashi composter. Itís working well and everything is super healthy. Iíve been trying to track down a hose end sprayer that had a dilution factor of 10. Does anyone have any suggestions.

Tropical Fruit Discussion / Soursop fruiting in container?
« on: November 07, 2023, 03:50:45 PM »
Has anyone gotten soursop to yield fruit in a container? If so what size of plant/pot was required.

Tropical Fruit Discussion / Are my Loquats ripe?
« on: November 05, 2023, 11:51:29 AM »
So Iíve got my first bunch of loquats which are in the process of ripening. Iíve never seen or eaten a loquat fruit before. These fruits are starting to get soft, but they donít seem orange enough and there is still a touch of green. Do I leave them on for longer? Thanks Iím advance for your knowledge.

Just a friendly reminder that this will be headed down south in the next while.

Does anyone know if the potassium in insecticidal soaps provides any benefit as a foliar feed?

Citrus General Discussion / Canola oil for pests experience?
« on: October 22, 2023, 02:51:39 PM »
So Iíve taken millets advice and am using hort oil this year. Despite paraffin oils appearing safe (no cancer in rat study) Iím still a bit nervous about using them in my attached greenhouse. I bought a hazmat suit and respirator for when I need to nuke the room with an ultra fine oil. For regular use, I am currently using a canola oil pyrethrine product diluted to 1% and a hand spray bottle for small spot treatments (check all of my plants 2x/week), without any protective equipment. What are peoples thoughts on the efficacy and safety?

So after 6 years of trying to make an ecosystem in my greenhouse where pests/predators/pollinators would keep things in perfect balance I have officially given up. Spider mites, aphid, thrips and white fly were all controlled with predatory bugs. Scale was sometimes a mild problem on a couple of citrus (Iím looking at out you Tangelo) especially in the spring but as soon as I could took those susceptible plants out in the summer they all went away. Last year however the mealybugs were everywhere. Dragonfruit, cattley guava and loquat were the only plants that didnít get infested. All my companion plants (flowers, legumes, fruit) were loaded.

So I got rid of the companion plants,  and all my trees/vines outside for the entire summer. All pests completely disappeared within 2 weeks. My plants have been back in for 3 weeks found a couple of hard scale, mealy, spider mites, whitefly have been found with detailed examinations of every plant surface every 3 days. Using 0.5% safers soap on entire plant for whitefly/spider mites, focal treatment of 0.5% soap for mealy. And weekly 1% canola oil with pyrethin on entire plants on mango and passionfruit (for hard scale). I also got a backpack sprayer with proper hort oil based off Millets suggestions in case I have to nuke the whole place.



Temperate Fruit Discussion / Ribes aureum (golden currant) worth keeping?
« on: October 20, 2023, 07:59:31 AM »
Has anyone grown golden currant? Iíve got a couple of bushes that Iíve never been able to get ripe fruit from (poor production due to shade and something eating the fruits). Has anyone grown this? I wonder if itís worth putting more effort into production/protection?

Hello to all the greenhouse growers out there. I was wondering how you go about controlling your vapor pressure deficit. I canít find much on the market for the hobby greenhouse. I have a jimmy rigged system that is based off different 3 different temperature intervals each with their own humidity set points. It works quite well except for when I have to spray things down for pests in the late winter. I was curious what everyone else does.

Tropical Fruit Discussion / Bug identification?
« on: August 15, 2023, 01:44:44 PM »
I was hoping people could confirm if this was a mealybug destroyer larvae. I live in Canada in the prairies and took my plants out of my greenhouse cause they were infested with mealy bugs. About 6 weeks later I see a couple of these moving very quickly along a plant. I am curious how it would have gotten here, could it be something else?

Temperate Fruit Discussion / Shade tolerant berries?
« on: July 16, 2023, 12:34:54 PM »
I have increasing shade in my backyard, I used to be able to grow grapes but now there is only vegetative growth. I transplanted gooseberries against a fence that only gets evening sun. They produced a dozen berries last year but none this year. Should I try something else that is shade tolerant like thimbelberries or black currants (i have both in other parts of my yard) or do u think itís futile? Note I had the trees thinned last year and I donít think it did anything.

Temperate Fruit Discussion / Loquat blooming in summer
« on: July 16, 2023, 12:29:58 PM »
So I recently had to move all my plants out of my greenhouse cause I was away on a holiday and fighting a mealey bug infestation. My greenhouse was running form 70-86 deg at the time. We had a recent cold spell down to mid 50ís and my 3 loquats all bloomed for the first time. Do I keep these? The same thing happened with my mangos last year (Pickering) and the fruit was really good (from what I can tell living in Canada).

I had a nectarine in a pot that may have not had enough chill hours this winter. The tree still hasnít done anything but a scratch test shows itís still green. Any tricks to forcing it to leaf out or is it just done?

Hey everyone Iíve been growing purple passionfruit for about 6 years in a 35 gallon pot. I know commercially they often replace the vines every 3 years in commercial production. It had been productive (2 crops per year) and then after being away for a week (I had watered it) looked like this and has not recovered. Fruit wrinkles, yellow limp leaves.  Does anyone know if this is how the vines die when they get too old?

Tropical Fruit Discussion / Rambutan leaves full of holes?
« on: April 12, 2023, 01:30:03 PM »
I was wondering if anyone could identify the source of damage of my rambutan leaves? Iíve never seen any bugs on the plant but they are completely full of holes.

Temperate Fruit Discussion / How far North has someone grown a pawpaw?
« on: April 10, 2023, 09:01:29 PM »
Iím trying to find out how far North you can successfully grow a paw paw fruit? Hardiness is one thing but it think they also need many frost free days that are hot. Iíve been able to keep a small tree alive in zone 3 for one winter but flowering 2 trees and getting fruit is another thing all together. Iím looking for some success stories.

Hey everyone, I started a new thread after a comment from Daintree (I think it was DaintreeÖ I went out and enjoyed too many refreshmentz). In peopleís experience which tropical fruit trees can and canít handle root pruning well?

Tropical Fruit Discussion / Visiting Cuba, good places to checkout?
« on: March 24, 2023, 09:48:58 AM »
Does anyone know of good places to check out fruits or botanical gardens in Cuba? Iím arriving there today.

Hey everyone, Iíve been struggling for a while to grow container tangerines in my (tiny)greenhouse. I love tangelos, and have been growing a ďMinneloaĒ for about 5 years. Despite it being very healthy, It struggles to hold fruit, and the fruit that it has produced has been less than impressive. I also picked up a 4í sugarbelle 18 mo ago, and am currently (almost finished) resolving a chlorosis problem that has probably arisen as it transitioned from synthetic to organic fertilizers over the past year.

For those of you with greener thumbs or better climates, which plant do you prefer in terms of health productivity and taste? We donít have HLB in canada so that isnít a factor. Also if a citrus has been unproductive but looks healthy, do you think is worthwhile to graft onto it?

Thanks Al,



Hey everyone, my 4 season cold climate greenhouse uses a dessicant dehumidifier in the winter to both minimize condensation and also provide some heat for when itís really cold (-40). The issue is the dry air it produces isnít great f for some plants. My meyer lemon dropped almost all the leaves that were in the area where the dehumidifier blows.

Does anyone have suggestions for plants that could handle dry warm air in the winter?

Hey everyone, I have limited space in my greenhouse and just got my first fruit of my baboon lemon. It was a nice size and looked good and was looking forward to making a couple of cocktails for myself and a friend, but was very embarrassed with the amount of juice I got from it, less than a tablespoon.

What do I do? Will it get better as the tree ages, or did it need more water etc. Or do I get rid of it in an attempt to save my reputation as a tropical cocktail connoisseur?

Here is whatís left after I crushed it trying to salvage my cocktail.

Tropical Fruit Buy, Sell & Trade / Anybody trading/selling in Canada?
« on: March 12, 2023, 04:32:05 PM »
Due to some import bans some of the inconsistencies with bringing plant material across from the U.S. I was wondering if anybody sells/trades plants and scions in Canada?

Tropical Fruit Discussion / Cause of new Longan growth drying up and dying?
« on: February 10, 2023, 07:26:25 PM »
Does anyone know the cause of the new tips of Longan growth to dry up and die? Iím
Growing it in a heated greenhouse, rh 60-70, no drafts goo light 65-80F for most of winter. The new rips are so delicate Iím worried about spraying with water if the culprit is spider mites. Any ideas?

Temperate Fruit Discussion / Best Haskap/honeyberry varieties?
« on: February 04, 2023, 05:28:42 PM »
Has anyone tried Japanese honeyberry/haskap varieties? I Have several haskaps from the university of Saskatchewan breeding program(tundra, aurora, boreal etc). I was wondering if anyone has tried Japanese cultivars specifically the ďBlueĒ series. Has anyone tried these? Iím wondering if they are worth getting.

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