Tropicals forum: Waterlogged Begonia

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Name: Cheryl
Kingwood, Texas (Zone 9a)
Region: Texas Greenhouse Composter Plant Identifier Plant Lover: Loves 'em all! Amaryllis
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ShadyGreenThumb
Aug 19, 2014 8:05 PM CST
I grow my cane begonia outside but thought I would post it here. In the recent rains the pot got filled up with too much water. I didn't notice it for a few days. I tipped the pot over and let it drain. Have not watered it for a week. It looks a little blah and weary. And there are some watermarks on most of the leaves on this 4 ft. tall plant. Hints? Suggestions?

Thumb of 2014-08-20/ShadyGreenThumb/f348f6

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Name: Elaine
South Sarasota, Florida (Zone 9b)
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dyzzypyxxy
Aug 19, 2014 8:22 PM CST
Hm, as long as you're not seeing mushy stems I wouldn't worry too much, Cheryl. Give the stems a squeeze down near the bases, and if they're still firm, the plant is ok. I have lots of cane begonias growing outside in pots, and haven't ever lost one to overwatering. Last summer when a tropical storm brushed by, we got 9in of rain in 2 days. No problems.

Maybe it needs a little fertilizer? All that rain at once may have washed all the nutrients away?

The watermarks are sort of curious, I've never seen that before. All my cane begonias have dark or variegated leaves though so it might not show up.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: Cheryl
Kingwood, Texas (Zone 9a)
Region: Texas Greenhouse Composter Plant Identifier Plant Lover: Loves 'em all! Amaryllis
Plumerias Ponds Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level
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ShadyGreenThumb
Aug 19, 2014 9:29 PM CST
The holes at the bottom of this pot are either clogged up or not large enough to allow it to drain well. I know they grow in water, but I lost one as big or bigger last year to rotting from poor drainage. The water marks are odd indeed. The plant never had them before. Tomorrow is Feeding Day. I will give it a does of Super Bloom and check the stems. Thanks, Elaine.
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
Name: Hetty
Sunny Naples, Florida (Zone 10a)
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Dutchlady1
Aug 20, 2014 6:01 AM CST
I would suggest repotting if the drain holes are clogged.
Name: Sandi
Austin, Tx (Zone 8b)
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Bubbles
Aug 20, 2014 6:55 AM CST

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Cheryl, those markings on the leaves could be where uptake of the rainwater has burst the plant's cells.
Name: Elaine
South Sarasota, Florida (Zone 9b)
The one constant in life is change
Cat Lover Master Gardener: Florida Tropicals Multi-Region Gardener Vegetable Grower Region: Florida
Herbs Orchids Birds Garden Ideas: Level 2 Garden Sages Celebrating Gardening: 2015
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dyzzypyxxy
Aug 20, 2014 8:58 AM CST
I'd definitely try to address the drainage problem, Cheryl. Poke something like a metal bbq skewer into the drain hole/holes if you can get to them. Or go in from the top with the skewer and just 'aerate' the soil as much as you can, near the walls of the pot.

Otherwise, as Hetty suggests, repotting might be a really good idea. Mine are in pots, but are sunk in the ground. By this time of year the pots usually have a little 'help' with drainage as the oak tree roots find the drain holes and invade, which uses up excess moisture but also keeps the holes open.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

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