Agastache Plants

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  1. Will Agastache freeze?
  2. agastache
  3. I have Agastache plants that are potted.
Asked by Anonymous on March 24, 2016
Will Agastache Freeze?

I have 83 Agastache I planted last year. In the next few days, the temperature could go below 32 degrees. Can they survive a short freeze? Talking hours – or will they need to be covered??

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

Your plants should be just fine in temperatures at or below freezing.

Agasthache are hardy down to 10 degrees F.

https://www.gardeningknowhow.com/edible/herbs/hyssop/growing-agastache.htm

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Asked by rjknyy36 on October 18, 2017
Agastache

My 2 plants grow very tall. They become topheavy and then fall all over the place. Looks very sloppy.

How can I avoid this?

ANSWERS
BushDoctor
Certified GKH Gardening Expert

These can benefit from some light pruning and deadheading, to control their shape and size. It could also be that they are lacking light if they are in a shaded area, or if an area seems to get too dry.

Here is an article to help you with their care: https://www.gardeningknowhow.com/edible/herbs/hyssop/cutting-back-anise-hyssop.htm

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Asked by SharonAmon on October 29, 2017
I Have Agastache Plants That Are Potted.

My plants are potted. Is there things I need to do to help them survive the winter or do they go dormant??

ANSWERS
BushDoctor
Certified GKH Gardening Expert

This depends on where you are located. The plants are hardy in zones 4 through 10. Outside of these zones it will need some extra care. Within these bounds, the plants will do just fine on their own. Here is an article for more information on the care of these plants: https://www.gardeningknowhow.com/ornamental/flowers/plumeria/plumeria-pruning-info.htm

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