Things to notice:

September is warm and dusty throughout much of the Southwest. Dusty leaves are a haven for mites and other insects. Hose down your plants to remove dust and dirt.

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Keep an eye on acid-loving plants like gardenias, blueberries and camellias. If young leaves appear yellow, add iron to boost their growth and color.

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Garden nurseries should begin to carry cool-season annuals such as ornamental cabbage, pansies, primroses, snapdragons, and stock.

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Keep your eyes open for fall plant sales at local botanical gardens. These are your best opportunity to purchase desert plants like yuccas, creosote, and Mormon tea.

 

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Pomegranate, Punica granatum

 

“I appreciate the misunderstanding I have had with Nature over my perennial border.  I think it is a flower garden; she thinks it is a meadow lacking grass, and tries to correct the error.” –Sara Stein

Things to do:

Harvest pomegranates!

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Fertilize citrus, fruit trees and roses on Labor Day. Remember to water deeply before and after feeding.

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September is a great month to plant most trees and shrubs.

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Prune existing shrubs and plants.

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Plant tomatoes, peppers, beans, squash, gourds and pumpkins. Transplant any cool season veggies you started indoors.

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Divide and transplant irises.