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How long does it take for begonia corms to sprout? When should they be started inside to have them ready to plant outside after the last frost?
6-8 weeks before your last frost is generally enough time to get them going indoors to have them ready for summer outside.
What type of begonia is in the attached photo, and how do I store it to use again next year? I bought the plant a few months ago and have kept in a pot. It has been flowering constantly for months and is only starting to go over now (November). Is it a begonia and, if so, what type is it?
Jim Pirie
This is a Wax Begonia.
The Begonia Genus contains nearly 2000 different plant species so identification of the cultivator that you have would be very difficult.
Here is a link that will help you with wintering and care.
This link can help you identify the cultivator of your plant.
http://www.clemson.edu/extension/hgic/plants/landscape/flowers/hgic1159.html
I have an orange wax begonia that I just planted in full sun. Had lots of rain in the morning and full sun in the afternoon. I noticed when I returned home at night that some of the leaves have white spots on them and the plant looks like it is dying. Please help! The plant is beautiful and I would love to save it. I have had the plant for about a month. First I had it in a pot in mostly shade with some sun. I decided to move it to the front of the house with full sun and repotted it into a larger pot.
It sounds like your wax begonia is afflicted with 'powdery mildew'. You can read about powdery mildew and courses of treatment at the following link:
https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm
For more information on the care of begonias, please visit the following link:
https://www.gardeningknowhow.com/ornamental/flowers/begonia/annual-begonia-care.htm
I have a wax begonia winterized in pot. It is very leggy. Can i cut it back?
You can, but these are annuals typically. This means that they live for one season, and they die. You will normally have to reseed once the plant has lived its life. Here is an article that will help: https://www.gardeningknowhow.com/ornamental/flowers/begonia/annual-begonia-care.htm
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