Polk County Lawn & Garden Checklist for October

For more info, help, and advice on these or other lawn and garden topics, contact your Polk County Extension Director, Scott Welborn


 
√ Newly Seeded Fescue Lawns

Lawn seeding is typically done between mid September and late October in our area. For new lawns, Fescue is typically seeded at 10 pounds per 1000 sq ft. If you have an established lawn you can overseed at a rate of 3-6 pounds per 1000 sq ft (depending on the thickness of your current lawn). New grass has very small, shallow roots. Keep them moist if the rains fail and don’t let falling leaves smother them. Use a leaf blower on low power or rake VERY gently because you may uproot the tender young plants. Apply 10 pounds of 10-10-10 or 6 pounds of 17-17- 17 per 1000 sq ft around Thanksgiving to give the lawn a final boost before Winter. If you are thinking about installing a warm season grass lawn such as Bermuda or Zoysia, be sure to wait until May to do any seeding or sodding of these types of grasses for the best results.


√ Shrubs and Trees
October is a good month to plant shrubs and trees (if it rains). At this time the soil is still warm enough to encourage root growth and will allow your plants to get established before the harsh cold of winter and will give them a boost for next spring. Be sure to water the plants thoroughly for several weeks after planting to ensure they do not dry out if rain is not plentiful. NOTE: If you are interested in planting herbaceous perennials, those are best planted in the spring.
√ Fall Flowers
It's still not too late for some fall color. You can plant pansies now for a little fall/winter color and they will be established and give you a good show of color in the spring as well.
√ Houseplants
Bring houseplants indoors when temperatures dip below 50°F. Give them a good bath in soapy water or spray with insecticidal soap. Move plants into partial shade for a week to condition them to lower light levels indoors. Remember that indoor humidity is normally very low inside the house in the winter so be sure to mist your plant’s leaves with water along with watering their roots.
√ Mulching

Fall is a great time to spread mulch in the landscape. Aim for a maximum depth of 3” to 4” around trees or shrubs and 2” to 3” around perennials. Do not pile mulch deeply around the trunks of trees and shrubs as it can cause them to rot. I’m a fan of pine bark nuggets as they will last much longer than wood mulch. The pine bark doesn’t decompose nearly as fast as the wood making mulching a less frequent job.


√ Your Fall Garden
By this time in the garden you should have all your winter crops planted. These include root crops, cole crops and lettuces. These crops can provide you a harvest through most of the winter with very little cold protection. Fertilize these crops while it is still warm enough to achieve maximum growth. During fall warm dry periods, be sure to provide irrigation.

In areas not used for fall vegetable production make sure you plant a cover crop. Winter Rye (grain) or Annual Rye Grass are excellent choices for a cool-season cover crop. These plants are easy to grow and provide massive amounts of organic matter for your soil while preventing winter erosion. Leaving the soil bare should never be an option. Now is a good time for you to take a soil test in your garden. Soil testing is free until Thanksgiving. By knowing your pH and nutrient levels you can correct them so you have a better garden next year. It is critical to get your pH in the proper range so your plants can use the nutrients that are already in the soil. It can take 6-12 months for lime to take full effect so be sure to get it in the soil soon.

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