The Tropical Fruit Forum

Citrus => Cold Hardy Citrus => Topic started by: will2358 on July 16, 2019, 09:43:06 PM

Title: Columnar Trees
Post by: will2358 on July 16, 2019, 09:43:06 PM

Does anyone know how columnar tress  are made. I have never read of a columnar citrus but I wonder if it could be done. You could certainly fit more in your and greenhouse if columnar.

Title: Re: Columnar Trees
Post by: pvaldes on July 17, 2019, 06:08:30 AM

Normally, by genetic selection of fastigiate cultivars. In gen Citrus, by pruning and tying the branches to the trunk to force them grow in a narrow angle. Citrus is not a fastigiate growing kind of tree. They always develop a broad canopy with time. Stems in a very acute angle will catch rotten fruits, fallen leaves and diseases

Using several narrow trees, instead a single wider tree, mean less fruits and more trunks/wood in the same space. Multigrafting a tree looks like a better solution

Title: Re: Columnar Trees
Post by: Bomand on July 17, 2019, 03:56:06 PM

I tried to make a C tree out of poncirus to save space. It is 6 years old, looks like a stem with short branches and is unhappy. I dont think citrus is designed for the C shaping. Try apples, might work there.

Title: Re: Columnar Trees
Post by: JoeReal on July 17, 2019, 05:19:13 PM

Quote from: pvaldes on July 17, 2019, 06:08:30 AM

Normally, by genetic selection of fastigiate cultivars. In gen Citrus, by pruning and tying the branches to the trunk to force them grow in a narrow angle. Citrus is not a fastigiate growing kind of tree. They always develop a broad canopy with time. Stems in a very acute angle will catch rotten fruits, fallen leaves and diseases

Using several narrow trees, instead a single wider tree, mean less fruits and more trunks/wood in the same space. Multigrafting a tree looks like a better solution

I built one by accident. It wasn't meant to be columnar. The cultivar is the Sudachi hybrid. It develops fruits like grape clusters enclosing the stem. I marcotted one with lots of fruits, and so it looked like a columnar citrus. I gave it away as gift, long before our quarantine, I didn't care about columnar fruit trees.

Title: Re: Columnar Trees
Post by: lordkiwi on February 28, 2020, 07:37:27 PM

My Neighbors Poncitrus in Washington Dc.

https://www.google.com/maps/place/4406+Edson+Pl+NE,+Washington,+DC+20019/@38.8967809,-76.938856,3a,41.4y,26.58h,81.89t/data= (https://www.google.com/maps/place/4406+Edson+Pl+NE,+Washington,+DC+20019/@38.8967809,-76.938856,3a,41.4y,26.58h,81.89t/data=)!3m6!1e1!3m4!1suWQwp7Yg2rZL7sYDTambQQ!2e0!7i16384!8i8192!4m5!3m4!1s0x89b7b8bfa4682dc9:0x4a981d9c18c0aa2!8m2!3d38.896988!4d-76.938864