Begonia boliviensis ‘Brothglow’

Mike Rummerfield
Thu, 06 Dec 2018 17:15:09 PST
 I have had a different cultivar of *B. boliviensis* than yours for perhaps
5 years.  Every late Autumn, come what may, the whole above-soil plant
slowly desiccates.  I stop watering when it does this, put it in the
minimally heated hoop house over the Winter, and give it NO water until
latish Spring when the tuber at the surface begins to show little nubbins
of life.  I slowly introduce watering at this point.  It hasn't failed so
far to come back and bloom profusely every year. It seems to prefer being
pot/root bound.  I do fertilize it during active growth.

I think your *B. boliviensis*, 'Sparks Will Fly', would do the same.

Good luck,

On Thu, Dec 6, 2018 at 4:35 PM Judy Glattstein <> wrote:

> Early last summer I bought a Begonia 'Sparks Will Fly' with lovely
> tangerine flowers on somewhat arching stems, bronze leaves with lighter
> veining. It clearly wanted to stop growing later this fall, even though
> transitioned into my greenhouse. In fact, it fell apart, dropped all the
> stems. And - surprise! - there's a nice plump smooth brown tuber sitting
> somewhat above the soil.
> It is a seed raised Burpee offering, /Begonia boliviensis/ ‘Brothglow’
> What can you tell me about /B. boliviensis/? Anyone else have 'Sparks
> Will Fly'? Do I just shove it under a bench and neglect watering until
> early spring?
> Judy in New Jersey where we are flip-flopping from warm to rain to quite
> chilly
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