o root rot. I recently moved this plant from one wall to another in the same south east facing room. Getting less sun now, but still quite a bit. Water once a week. I also began the usual spring time feeding two weeks ago, but think the problem pre-existed this fertilization.
It may be begonia leaf spot.
https://www.gardeningknowhow.com/ornamental/flowers/begonia/begonia-leaf-spot.htm
Received non-stop begonia bulbs for Mother’s Day. Instructions for planting, please.
This article has your answer:
https://www.gardeningknowhow.com/ornamental/flowers/fgen/flower-spacing-guide.htm
Nothing to take photos of. Everything above soil has been eaten
Without the leaves to photosynthesize, they may not. You might try a light fertilizer and a drink of water.
https://www.gardeningknowhow.com/plant-problems/pests/insects/organic-snail-control.htm
On May 1 I planted several begonias in my flower beds (green leaf with red, white, pink flowers). Since then most have struggled - leaves are drying up around the edges, flowers are weak. I have had to cut several back. It has been dry, but soil is adequately watered. I can't tell if this is too much water, too little, or a plant disease. Pictures attached. Appreciate any help you can provide. Apologize if this is duplicate. I tried to submit previously but got an error message.
It does appear to be an infection from wet soils. Make sure that they get adequate shade, as well. They will be sensitive to full sun, all day.
Here are some articles that will help:
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
Do they need full sun, full shade or part sun/shade ? (Most plants that I buy will give you that information with the plant, but this particular plant had no info.) Thanks.
It depends on the variety, for example, dragon wing begonias need mostly shade, while bedding begonias can take full sun to shade. here is more:
https://www.gardeningknowhow.com/ornamental/flowers/begonia/annual-begonia-care.htm
https://www.gardeningknowhow.com/ornamental/flowers/begonia/begonias.htm
https://www.gardeningknowhow.com/ornamental/flowers/begonia/what-is-a-rhizomatous-begonia.htm
https://www.gardeningknowhow.com/ornamental/flowers/begonia/tuberous-begonia-care.htm
https://www.gardeningknowhow.com/ornamental/flowers/begonia/annual-begonia-care.htm
I read bada bing begonias like mulch...would they benefit from pine needle mulch? I can't find whether they are acid loving or not. Thanks!
Begonias do prefer slightly acidic soil so go ahead and use your pine needle mulch.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/acid-loving-plants.htm
When planting out non-stop begonias (originally tiny plugs I had planted on in compost) I tipped the plant out of its pots and some curled fresh-looking green leaves fell out of the bottom of the pot. Each 'leaf' was about 2cm x 1cm and some were still curled together about the diameter of a pencil and a couple of cms long, open at one end, but with what seemed like a perfectly round piece of leaf closing the other end. In the four pots I had, I found about four or five of these strange things, so had a chance to investigate a bit further. In the centre of each one there was something beige and a bit gooey, with an umpleasant smell, although nothing that I could identify as an insect. I've never seen anything like it and am at a complete loss to know what it is. It seemed very strange that the leaves looked so green and fresh, but were all hidden in the soil and of a uniform size. I'd be very grateful if you could let me know your opinion. Sorry the photo doesn't help mush - I took it the next day.
Unfortunately, the photo doesn't show the exact larva. But, this is, definitely, the nest of some larva.
You may need to root-drench the plants. This article will help:
https://www.gardeningknowhow.com/garden-how-to/watering/what-is-soil-drenching.htm