Regional Gardening Reports :: National Gardening Association

Western Mountains and High Plains

June, 2010
Regional Report

Keep mosquitoes at bay

If you have a pond or water feature, place Bacillus thuringiensis var. israelensis in the water to control mosquito larvae. This natural biological material is very effective and will not harm fish, birds, or other wildlife.

Change birdbath water regularly

Keep your birdbath clean and change water every few days to keep mosquitoes from laying eggs in stagnant water. This will reduce the incidence of mosquito larvae and subsequent adults.

Seed warm-season grasses

Now that soil temperatures are warm, it's time to sow buffalo grass, blue grama, and other warm-season species and mixes. Native grass seed requires warm soil to germinate and become well established.

Add fall color now

Remember to plant autumn-blooming perennials including asters, hardy mums, and 'Autumn Joy' sedum during the summer to ensure garden color from August through the first hard frost.

Keep roses fed

If you didn't fertilize your roses with a time-release rose food, fertilize them with an organic-based granular fertilizer every 4 weeks to help ensure continual bloom and plant vigor. Water the fertilizer in after application. Apply mulch around bushes to maintain uniform moisture and prevent weeds.


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