How to keep mums alive over hot summer section 8b

Question

Live in 8b, temps already 88 this year, extremes predicted this year, mums window box from fall 6 to 8″ pot size now, 12″ or so tall, afraid to put in ground expose to bugs or harsh sun & temps – also, wouldn’t this cause runners in grass?

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Answer 1

Your mums look lovely! Since your window box is lattice lined with a coco liner, as opposed to a solid container, your plants are more susceptible to drying wind and high temperatures. You will need to check the soil once or twice daily and water if the the soil is dry.

Also you mentioned the pot size. If larger pots will fit in the window box that you could transplant into, that also would give your mums more protection against the elements.

And if you have a garden bed in full to part sun it would be fine to plant your mums there. If you have a deep edging around the bed, it should keep mums in and grass out.

Here is more information.

https://www.gardeningknowhow.com/plant-problems/environmental/heat-stress-plants.htm