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September Gardening Checklist

8/26/2015

 
 September Gardening Checklist
  • Horticulture entries are sought for the Baxter County Fair (September 15-19). Entries range from all types of vegetables, fruits, flowers, plants, and field crops. The Baxter County Fair is held in Mountain Home with entries accepted Tuesday, September 15 from 2:00 to 7:00 p.m. You can go to www.baxtercountyfair.org for complete details.
  • September is the beginning of the cool-season lawn establishment period. Turf type tall fescues are best established from September to mid-October with late February through March as a poor second choice. Late seeded lawns will not be strong enough to survive the first summer. Prepare a good seed bed by tilling and bring a pint of soil to the Extension office to determine nutrient needs. Sow 8 to 10 pounds of seed per 1,000 square feet for establishment. If you just need to thicken up your fescue lawn, overseed with 4-5 pounds per 1,000 square feet.
  • To get the most out of a pre-emergent herbicide program for winter annual weed control, make the application now or at least by September 15. Applications made in late September or thereafter often miss the beginning of germination of winter annual grasses and broadleaves. Remember after applying the pre-emergent herbicide, it needs to be watered in within a few days to activate it. Don’t apply a pre-emergent to a lawn to be overseeded or a newly seeded lawn.
  • Don’t fertilize or severely prune shrubs now because this will encourage rapid regrowth, and the new growth won’t have time to harden off before cold weather arrives.
  • Now’s a good time to collect soil samples for your lawn, gardens, and shrubs and have them analyzed by the University of Arkansas. Your soil sample report should be back within two weeks. If the report calls for lime to reduce soil acidity, apply it in the fall. The lime will have several months to work before spring growth begins.
  • Dig and divide spring blooming perennials.
  • Save seeds from annuals and perennials for next year’s planting.
  • Replenish mulch around trees and shrubs.
  • This month bring life back to your landscape by planting pansies, ornamental cabbage or kale, snapdragons, dusty miller and dianthus as the temperatures begin to cool. Pansies planted by mid-October survive winters best and will put on a tremendous show this fall.
  • Twig girdler insects should be making their appearance this month. Small branches of pecan, hickory, or elm are uniformly girdled from the tree and fall to the ground. The fallen twigs have eggs deposited in them os dispose of them immediately, to control the twig girdler. this will reduce next year's problem.
  • Prepare your compost unit for the influx of fall cleanup which is just a few short weeks away. Clean out units and store compost in trash cans for fall gardening. If you are just starting to compost, come by the Extension office for information on composting or go to www.uaex.edu.
  • Leaves should be collected as they fall. You don’t want a heavy covering of leaves entering the winter months. A dense layer can actually smother a lawn. People often leave leaves on the lawn until it turns cold and then rake them. If you have a covering of leaves on your lawn prior to the first frost, the leaves may prevent your lawn from going dormant. When you finally do rake up the leaves, you’ll expose actively growing grass to cold weather. Your lawn could suffer winter injury.
  • Start acclimating your house plants for the trip back inside for the winter. Move plants to a less sunny area and then in a couple of weeks move them again to a location that simulates light conditions indoors. All this moving to lesser light outdoors will reduce plant shock when they are moved indoors next month.

Mark Keaton - County extension Agent
Telephone: 425-2335
For more information on any of the above points, contact the U of A Division of Agriculture Cooperative Extension office at 425-2335.

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    Mark Keaton Baxter County Extension Agent

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  • About Master Gardeners
    • National Mission Statement
    • UAEX - Univ of AR Extension Service >
      • Baxter County Extension Office
      • The UA Cooperative Extension Service
      • UAEX Master Gardener Program
    • Baxter County Gov't >
      • County Extension Council
      • County Extension Service
    • Our Structure, Rules & Guidelines >
      • 2023 Organization Chart
      • Bylaws
      • Standing Rules
      • Duties, Projects & Events
      • New Member Orientation
      • Continuing Education & Training
      • Member Status
      • Frequently Asked Questions
  • Events & Outreach
    • Calendar of Events
    • Join Us At Our Meeting
    • Radio Program
    • Annual Plant Sale
    • Spring Seminar
    • Farmers Market
    • Fair Horticulture Room
    • Public Education Booths
    • Hatchery Outdoor Adventure
    • Scholarship
  • Garden Projects
    • Fairgrounds Garden
    • Bull Shoals
    • Clysta Willett
    • Cooper Park
    • Fish Hatchery
    • Extension Office
    • Memorial Gardens
    • Library Pollinator Garden
  • Gardening Tips
    • NATIVE PLANTS
    • Seminar 2025
    • Bringing Nature into your Garden >
      • Native Plant Finder (research by Doug Tallamy, PhD)
      • Creating a Landscape With Native Plants
      • Native Drought-Tolerant Plants
      • Well-Behaved Natives
      • Native Alternatives to Invasive Plants
      • Invasive Non-Natives
    • Seminar Horticulture Table
    • DIY Projects
    • Miscellaneous Gardening Projects
  • Members Only
    • Enter Your Hours
    • MG Roster
    • Forms