Bi-Color Petunias

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Posted by @Joannabanana on
Have you noticed that some bi-colored petunias change with temperature, sunlight exposure, and age of blossom? Here's a look at Petunia Glow™ Blue Stardust.

The most significant factor is temperature. The recent heat wave has caused the bloom to have more white and less blue (July 27). My front yard is much cooler than the back and you can see the difference in the bloom color pattern.
Thumb of 2014-07-29/Joannabanana/4baa37 Thumb of 2014-07-29/Joannabanana/e47c78

This is what the blooms looked like before the hot days and warm nights (June 25)
Thumb of 2014-07-29/Joannabanana/1d9df8

Excessive heat may also cause irregular patterns or loss of pattern completely. Some blooms on the same stem pop out a completely different look.
Thumb of 2014-07-29/Joannabanana/54efc2 Thumb of 2014-07-29/Joannabanana/ab107c

It is normal for bicolor petunias to change color and/or pattern in different temperatures. You will find the stronger colors with cooler temperatures. The more direct sunlight, the more flowers. The older the bloom, the more faded the petals (Shockwave Denim is a great example of age-faded blooms).

 
Comments and discussion:
Thread Title Last Reply Replies
Thanks For Posting This by TBGDN Sep 3, 2014 7:37 AM 0
Beautiful! by vic Sep 2, 2014 9:09 AM 1
The Black and yellow by CarolineScott Sep 2, 2014 8:45 AM 0



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