Date: 03/05/2010

Number: 1

Southwest Texas had several severe cold fronts pass through in January and February, dropping winter temperatures to 24dF at night in the higher elevations. In the lower elevations, it dropped to 17dF. In Maverick County milkweed grows near the river or in other low spots near water, which means the cold collects in those areas, slowing plant development. There were even 2 frosts in mid-March in the low spots (river bottoms.) We first checked for milkweed on Feb. 18, when we had seen it in past years, but it did not emerge until the first week in March.

Quemado, TX

Latitude: 29 Longitude: -100.4

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