From Farmers' Almanac:

August 2011
1st-2nd A Barren Time. Best For Killing Weeds, Briars, Poison Ivy, And Other Plant Pests. Clear Woodlots And Fencerows.
3rd-4th Good Days For Planting Aboveground Crops. Excellent For Sowing Grains, Winter Wheat, Oats, And Rye. Plant Flowers.
5th-7th Plant Peas, Beans, Tomatoes, Peppers And Other Aboveground Crops, In Southern Florida, California, And Texas. Extra Good For Leafy Vegetables. Plant Seedbeds.
8th-9th Cut Winter Wood, Do Clearing And Plowing, But No Planting.
10th-12th A Good Time To Plant Aboveground Crops.
13th-14th Barren Days. Fine For Killing Plant Pests.
15th-17th Favorable Days For Planting Root Crops, Fine For Vine Crops. Good Days For Transplanting.
18th-19th Barren Days. Do No Planting.
20th-21st Root Crops That Can Be Planted Now Will Yield Well. Good Days For Transplanting.
22nd-23rd Any Seeds Planted Now Will Tend To Rot.
24th-25th Most Favorable Days For Planting Beets, Onions, Turnips, And Other Root Crops. Plant Seedbeds And Flower Gardens. Good Days For Transplanting.
26th-29th A Barren Time. Best For Killing Weeds, Briars, Poison Ivy, And Other Plant Pests. Clear Woodlots And Fencerows.
30th-31st Good Days For Planting Aboveground Crops. Excellent For Sowing Grains, Winter Wheat, Oats, And Rye. Plant Flowers.