grapevines have these little tiny like droplets all over

My grapevines have these little tiny like droplets all over. They look like little crystal balls. What are they? These are Red Table grapes growing in San Jose, California.

1 Comment (Open | Close)

1 Comment To "grapevines have these little tiny like droplets all over"

#1 Comment By Downtoearthdigs On 06/05/2015 @ 3:37 pm

These are referred to as ‘Pearl Glands’.
They are comprised of sugars and proteins from the grapevine and serve as a food source for ants, which in turn is beneficial to the plants.

Do not spray to rid the plant of these.

Article printed from Gardening Know How Questions & Answers: https://questions.gardeningknowhow.com

URL to article: https://questions.gardeningknowhow.com/my-grapevines-have-these-little-tiny-like-droplets-all-over-they-look-like-little-crystal-balls-what-are-they/

Have any questions about this topic? Visit us at https://questions.gardeningknowhow.com to ask your questions and get friendly answers from gardening experts.

You can also find us at:
'Like' us on Facebook: https://www.facebook.com/gardeningknowhow
Follow us on Twitter: https://twitter.com/gardenknowhow - @gardenknowhow
Follow us on Pinterest: https://pinterest.com/gardenknowhow/