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May 14, 2018 2:43 AM CST
Name: Nicola
New Zealand
So my calathea's, specifically rufiabarba has gotten quite large. It's not quite at the point where it needs to be repotted but it's not far off.

The problem is I've read heaps of recommendations for the soil needed for these and I'm not sure which one to go with.
The most frequent mentions are African violet potting mix and a home blend of potting mix, peat and perlite.

Can anyone help me out from your own experience?
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Sep 2, 2018 6:33 AM CST
Name: Sally
central Maryland (Zone 7b)
Let's all play ukulele
Charter ATP Member Houseplants Keeper of Poultry Vegetable Grower Region: Maryland Composter
Native Plants and Wildflowers Organic Gardener Region: United States of America Cat Lover Birds Butterflies
119 views and no answer, is that a new record?
I think either one. Key is soil that drains, a pot with holes, not going too much bigger at any time. and proper attention to watering. Your plant is beautiful and hope it has continued to be.
If you loved me half as much as I love you, you wouldn't worry me half as much as you do...
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Sep 28, 2018 1:37 PM CST
Name: Bazram Radmehr
(Zone 9a)
Plumerias
Just as our dear friend said, regular drainage and irrigation are important. Apartment flowers are usually damaged in three ways.
1. Inadequate light (insert sufficient light in the appropriate place)
2. Diseases and pests (be sure to use periodic combinations of fungicides and insecticides)
3. Use full fertilizer once a month. At flowering time, flowering fertilizer should be used.

Good luck and I hope you have healthy and beautiful plants.
Avatar for Dirtmechanic
Oct 5, 2018 10:27 PM CST
canada 4b (Zone 8a)
Stay away from making your own. The sanitation is the real issue of course. A sterile mix nicely packaged is the equivelant to buying clean food in a grocery store and for such small amounts I just cannot see blending anyway. Mixing soil on the ground or in non sterile containers is asking for fungal spores and such. It would be a shame because it is such a nice plant.
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Apr 26, 2019 1:18 PM CST
Name: Nicola
New Zealand
I had given this up for replies and logged out. Thanks for your comments! In the end I used premium tropical soil and added in an extra couple of scoops of pumice. It's still alive and growing thankfully ❤️
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Apr 26, 2019 7:23 PM CST
Name: Sally
central Maryland (Zone 7b)
Let's all play ukulele
Charter ATP Member Houseplants Keeper of Poultry Vegetable Grower Region: Maryland Composter
Native Plants and Wildflowers Organic Gardener Region: United States of America Cat Lover Birds Butterflies
sounds great! I "loved and lost" a rufibarba, enjoy!
If you loved me half as much as I love you, you wouldn't worry me half as much as you do...
Avatar for oneeyeluke
Apr 27, 2019 11:30 AM CST
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Birds Cat Lover Dog Lover Hummingbirder Organic Gardener
If you live in the US, the best organic substrate I have ever used is Roots Organic. Just add rain water or RO water. You don't need to feed at all. Keep the plant in the pot until next year, and then just transplant into a new batch of Roots Organic. No need to feed, and it so easy! The pH is perfect for growing house plants. Sorry just noticed you don't live in the US.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
Last edited by oneeyeluke Apr 27, 2019 11:32 AM Icon for preview
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