The Q&A Archives: Germination Time For An Avocado Pit Suspended In Water?

Question: I know that you can start an avocado house plant inserting toothpicks in it and suspending it over a glass of water. How long does it take before roots form and a shoot comes out of the top assuming an ambient temperature of 70 degrees F and that the water is changed every other day? I've been working on one for four weeks now and there are some bumplike swellings on the bottom of the pit but there is no sign of a shoot. Also do you recommend using fertilizer in the water?

Answer: I would have said about a month or so, assuming the avocado was mature enough when you got it. A slightly warmer temperature (75 - 80, or gentle bottom heat) might help speed things up. Also be sure to keep it in a very bright and sunny spot. The roots usually form first, then the shoot. Fertilizer might burn the tender new roots so I wouldn't recommend that. I'm sorry to have to tell you to still just be a bit patient.

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