Tropical Hibiscus Soil & Fertilizer

mike423(5 IL)December 20, 2010

I have three different potted types of tropical Hibiscus's. Each pot has four separate plants in them and I wanted to repot them since they are kind of crowded and in unappealing nursery pots. I am used to mixing my own Bonsai soil mixtures so making my own concoction isn't a problem, and was wondering what soil mixture/s work best for tropical Hibiscuses in general and at what ratio. Also what sort of fertilizers and or supplements work best for tropical Hibiscuses? Thanks

-Mike

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hoosierquilt USDA 10A Sunset 23 Vista CA

Mike,
The key to proper potting soil for tropical Hibiscus is one with a good amount of organic material but that drains well. According to Hidden Vally Hibiscus, a mix made up of coco coir, peat moss, or composted bark to hold moisture and nutrients, along with sand and/or perlite to provide more drainage is great. Added organic ingredients that support beneficial microbial life in the pot, such as worm castings, bat quano, or other fully composted organic material, are very beneficial in the potting mix. You can also go to a nursery or garden center in your area and asking for a high quality potting mix that drains well and contains some organic materials. I would also make sure to add mycorrhizae to insure that the roots are optimally set up to absorb nutrients. HV has a great potting mix they sell, btw. As far as the correct fertilizers, this can be hard to find, since hibiscus really do NOT like to get a lot of phosphorus, and this can be a hard fertilizer to find. You need one especially formulated for hibiscus. Hidden Valley makes an excellent product and their's is a 17-5-24 balance. You'd want to use 1/2 the recommended amount for potted plants. Again, HV has the perfect fertilizer. Not affiliated with them in any way, just that Charlie is extremely well known in the tropical Hibiscus world, and has developed some of the most well known hibiscus cultivars out there. Great resource if you like growning tropical hibiscus :-)

Patty S.

Here is a link that might be useful: Hidden Valley Hibiscus - Caring for Tropical Hibiscus

    Bookmark   January 26, 2011 at 5:40PM
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