Houseplants forum: Effect of winter sun.

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Name: Steve Claggett
Portland Orygun (Zone 8a)
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madcratebuilder
Sep 21, 2016 2:15 PM CST
I have most all my house plants at a large south facing window. Spring and summer no direct sunlight thru the window. I'm 45* N lat and I'm starting to get mid day sun (2-4hrs) thru the window. The Sans and Spiders seem to love it but I'm not sure about the Hoya's. It's not blazing sun as I have a tree that breaks up the light. Should I be concerned?

ETA: It's cloudy and near overcast much of the time here in NW Orygun, so it's not sun every day.
Spectamur agendo
[Last edited by madcratebuilder - Sep 21, 2016 2:31 PM (+)]
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Name: Lin
Sebastian, Florida (Zone 10a)

Region: United States of America Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database! Garden Procrastinator
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plantladylin
Sep 21, 2016 3:10 PM CST
Steve, I think your "Way up there in Orygun, south facing window" will work fine! Green Grin! Some Hoya's can take more sun than others and the leaves will redden up real pretty with more light. I'm in Florida and I used to have a few Hoya's that I grew outside in our full, blazing summer sun.




Hoya merrillii growing in shade and then after it was moved to full sun
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Name: Steve Claggett
Portland Orygun (Zone 8a)
Beekeeper Cat Lover
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madcratebuilder
Sep 21, 2016 3:21 PM CST
Those look fabulous Lin. Mine are cutting that are just starting to put on growth, really taking off nice.
Spectamur agendo
Name: Lin
Sebastian, Florida (Zone 10a)

Region: United States of America Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database! Garden Procrastinator
Birds Butterflies Bee Lover Hummingbirder Container Gardener Houseplants
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plantladylin
Sep 21, 2016 8:49 PM CST
Thanks Steve, I don't have any of those pictured anymore ... lost H. merrillii to a winter freeze and gave both of my H. pubicalyx to a friend.
~ Eat, Sleep .... Play in the dirt ~
Name: Tiffany purpleinopp
Opp, AL 🌵🌷⚘🌹🌻 (Zone 8b)
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purpleinopp
Sep 23, 2016 8:58 AM CST
Gorgeous, Lin!

At your latitude, Steve, no problem, rays are so much weaker. The only plants I've ever seen get too much sun inside over winter were Philodendrons.
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Name: Will Creed
NYC
Professional interior landscaper
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WillC
Sep 24, 2016 7:53 AM CST
I cannot think of any plants for which your indoor location would provide too much light intensity. There are several factors at work here that reduce the light more than is commonly realized.

Indoor light is easily 10 times less intense than outdoor light. In northern latitudes, day length diminishes considerably in winter. Trees outside block more light than you realize. Finally, the natural light changes gradually through the seasons giving the plants a chance to adapt.

Not to worry!
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
I now have a book available on indoor plant care

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