May, Fourth Week:

r Be on your guard for late season snow or frost. Be ready to cover and protect tender plants and vegetables. The last day of record frost is June 6th in our garden.

r If you are ready to get rid of some of your turf areas you can kill the grass by spraying the area with glyphosate (Round-up). When the grass is dead, plant directly into the dead grass and mulch. Be careful not to spray other plants, as glyphosate is a non-selective herbicide.

r Continue applying Bti (Bacillus thuringiensis israelensis) to kill mosquito larvae in standing water.

r Last week was busy, go back and finish up what you may not have finished.

Click to view larger image
Columbines in bloom, late May

May Temperatures
(Record Lows below freezing)

All Time Historical Records
Day Avg. High Avg. Low

Mean

Record High

Record Low
1 66.7 37.0 46.7 90.5   18.0
2 66.7 37.0 47.0 84.5   20.0
3 67.0 38.0 47.3 84.5   25.0
4 67.7 38.0 47.7 90.0   29.0
5 67.7 38.0 48.0 92.5   32.0
6 68.0 39.0 48.7 89.5   26.0
7 68.7 39.0 49.0 87.0   24.0
8 68.7 39.0 49.0 85.5   29.5
9 69.0 40.0 49.7 85.0   24.0
10 69.7 40.0 50.0 87.0   27.5
11 69.7 40.5 50.3 86.5   22.0
12 70.0 41.0 50.7 88.5   25.0
13 70.7 41.0 51.0 90.5   28.0
14 71.0 41.5 51.3 90.0   28.0
15 71.0 42.0 51.7 91.0   30.0
16 71.7 42.0 52.0 91.5   34.5
17 72.0 42.5 52.3 92.0   31.0
18 72.0 42.5 52.7 90.5   32.0
19 72.7 43.0 53.0 91.5   35.5
20 73.0 43.5 53.3 86.5   33.0
21 73.7 43.5 53.7 89.5   34.0
22 73.7 44.0 54.0 88.5   36.0
23 74.0 44.0 54.0 92.5   32.5
24 74.7 44.5 54.7 89.0   30.0
25 75.0 45.0 55.0 86.5   35.5
26 75.7 45.0 55.0 87.0   33.5
27 75.7 45.5 55.7 91.0   33.5
28 76.0 46.0 56.0 94.5   35.5
29 76.7 46.0 56.3 97.5   33.5
30 76.7 46.0 56.3 98.0   33.0
31 77.7 46.5 57.0 97.0   37.5