Perennials forum: Spots on my Vincas

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May 20, 2017 11:35 AM CST
Hi guys! I'm new to the site and to gardening. I just bought my first ever flowers and within 3 days have been on a roller coaster ride! I never knew how much constant attention and work flowers take.

Anyway, I planted a beautiful vinca in a pot on my deck. The care card said they can receive full sun and prefer drier soil....well, I guess I let the soil get TOO dry because by day 3 the poor little guy was wilted and shriveled. I managed to revive it with water and a little TLC. I've been checking on it frequently and it seems to be much better....

The only draw back is now my vinca has white spots on its petals. I don't think it's fungus based on pictures I've seen. The spots look almost bleached. Could it be from the stress of being on its death bed (pun intended, even though it's in a pot) and then being resurrected?! In one photo you can see the spots that I encountered on the 4th day. The other image is a side by side comparison of the first day when the plant seemed to be in perfect condition to the third day when it was dying just for reference. Please advise!
Thumb of 2017-05-20/GreenGal/8c2ea0
Thumb of 2017-05-20/GreenGal/296b69

Name: Rose
Oquawka, IL (Zone 5a)
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May 20, 2017 6:31 PM CST
Is that an annual? If so, I water my annuals every day. If it's a perennial, I water frequently until they're established. Make sure pots drain well. The last picture does look pretty bad, so hopefully the white spots are just from stress. Good luck!
Name: Gary
Wyoming MN (Zone 4a)
May 20, 2017 7:19 PM CST
Welcome to NGA GreenGal! It would be hard to say whether just stress or mechanical damage of sort caused the white spots. Plants can be a lot of work but a regular routine toward their maintenance will make things easier. Just remember that like pets they need food and water and are not able to move about to acquire their simple needs. It is a joy to watch them grow and thrive.

Name: Arlene
Southold, Long Island, NY (Zone 7a)
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May 20, 2017 7:26 PM CST
They may prefer drier soil when they're planted in a garden but they will require almost daily watering when they're in pots.
Name: Tiffany purpleinopp
Opp, AL 🌵🌷⚘🌹🌻 (Zone 8b)
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Jun 4, 2017 5:57 AM CST
Not a true annual, but not hardy below Z9.
Madagascar Periwinkle (Catharanthus roseus)

White is an excellent choice for a pot that will be in the sun for any significant amount of time. It will keep the roots cooler but a pot that size may dry daily in high temperatures. If you find it's drying too often for your schedule, a bigger pot would be a way to extend the watering interval.
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