Red Barn Garden CenterAustin Proud/Texas Friendly
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Red Barn September Gardening Guide

September Tips

It is fall vegetable planting time.  You will find a great selection of Broccoli, Spinach, Brussel Sprouts, Cabbage, Cauliflower, Swiss Chard, Collards, Kale, and others for your vegetable needs.  There is still time for squash, Snap Beans and Cucumbers, Turnips and beets.  Visit Red Barn for a Fall Planting Guide. We have a great selection of seeds too. Don’t forget to tend to your herb garden.   Remove flower spikes from basil etc.    You can cut back herbs and remove the leaves, dry , chop and freeze in a shallow layers in a freezer bag and break off what you need later for cooking.

Onion sets will be available late November. 

We see a glimmer of hope for cooler weather.  It is time to re-pot houseplants that you have on your deck or porch and get them ready to go indoors later.   Trim off ¼ to 1/3 of the root ball if needed.  Fresh potting soil such as Vortex or Fertilome, etc. should be used.  Check the drain holes to make sure they are free of clogs and the bottom inside of pots to make sure they are free of pests.  Potted plants are the ideal hiding place for pill bugs, ants, and other pests that feed on the plant roots.  A piece of screen placed over the drain hole and secured by pea gravel or soil will help to keep them from coming in.  Trim tops if needed to give them a chance to recover before being taken inside for the winter. Water and pull back in lower light to get them ready for the house.

This is a transition time for annuals.   Most annuals are still going strong.  Begonias, Petunias, Mums, and Marigolds are great transition plants before Pansies, Snapdragons, Lobelia, Alyssum, Calendula, Dianthus, etc. and are ready.

It is time to sow wildflower seeds. Blue Bonnets. Wildflower Mix and more.  Red Barn has a great selection.

Cut back perennials if needed.  Be careful not to give much fertilizer.  You do not want encourage them to grow much before the winter.   Iris and other bulbs may need to be divided now if the bed is too thick. Visit us at Red Barn and we will give you advice of the proper technique.

Replenish mulch in all beds, around trees, etc. to ensure a protected root system for the winter and for water retention.

Some of your shrubs such as Sweet Olive, Roses, Autumn Sage, Mexican Bush Sage, and Gulf Muhly will burst in to bloom for the fall.  Do not prune Spring Flowering shrubs such Camellias, Viburnum, Primrose Jasmine, Flowering Quince, spring blooming Azaleas, etc. because the already have flower buds set.

You are approaching tree pruning time.  Live oak can be pruned to open the canopy for new grass and understory growth.  Seal cut branches with pruning paint and sterilize equipment to minimize insects and diseases problems.  Wait until deciduous trees are dormant to prune limbs and branches.

Start thinking about pre-emergent weed protection now such as corn gluten.  Fertilize grass with Ladybug  8-2-4, Medina Growin Green, or Micro Life Fertilizer.  Visit our special events page for information on Fall Classes and of course Pumpkin Patch starting Oct 1.  Fun in the Fall!!!  Thank you and we invite you to visit Red Barn Garden Center any time.  We are Austin Proud/Texas Friendly.


P.S. Please remember our neighbors in need. Volunteer and donate to those who lost so much.