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If you are like most North Carolinians, March is defined by “March Madness” and the NCAA tournament. It is also a month of madness for plants too! It is time to start getting outside and getting to work. In this article, I will give a few tips on getting spring off to a good start.
This month is when cool season grasses grow the most. With that, it is also the time to fertilize if you haven’t already. When fertilizing, you should abide by your soil test recommendation. If you haven’t soil tested, a safe bet is to buy 10 pounds of 10-10-10 per 1000 square feet of lawn. This will give your lawn the boost it needs. It is important to note that any time you apply phosphorous, you should aerate your yard first. This allows the nutrient to get into the soil.
Your warm season grasses such as Bermuda and Zoysia, will be fertilized during the warm months of the year. Do not fertilize your warm season grasses now. You will be wasting time and product. Fertilizing now can also promote disease and cause damage to your grass. Though you aren’t fertilizing your warm season grasses, you can start weed control.
You can’t have turf talk without mentioning crabgrass. Crabgrass is a summer annual weed. Crabgrass is best controlled with preemergence. Preemergence, when applying to crabgrass, works best when applied before March 1st. Note: Preemergent herbicides should only be used on established lawns. The two most common active ingredients in preemergence, available for homeowners, are either pendimethalin or dithiopyr.
If it is too late to apply preemergence, there are a few postemergence herbicides that can treat crabgrass and other annual grasses (read the label for specifics). Postemergence work best in sunlight and when the temperature is between 65-85 degrees F. As always, read and follow the directions on the pesticide label.
I have mentioned in previous articles on when to prune your shrubs. But as a reminder, now is a good time to prune your evergreen-type plants and summer blooming shrubs. Spring bloomers will need to be pruned after they bloom.
Your trees do NOT need a “spring haircut” or a “topping”. Topping is never a recommended practice for trees. The only pruning that needs to be done to your trees is if there are dead, diseased or crossing branches that need removed. Do NOT top your trees!
In the Garden:
It is that time of year again to start planting your spring garden if you haven’t done so yet. This includes: carrots, kale, lettuce, peas, spinach and radishes. It is also time to start turning over your cover crops in preparation for summer planting. Your cover crop needs about 6-8 weeks to decompose in the soil before summer planting. It is also a good time to soil test for your summer garden. You can pick up a soil testing kit here at the N.C. Cooperative Extension, Caldwell County Center.
For more information or questions on these topics, visit the N.C. Cooperative Extension, Caldwell County Center or call us at 828.757.1290.