Dig and divide. Perennials that flowered in early to mid-summer can be dug up and divided. Replant the divisions around your yard in the appropriate places or give them away if you have run out of space. Be sure that the soil is moist when you dig up the mature perennial.
Plant spring flowering bulbs. The boat has arrived from The Netherlands, and we recommend that you check out the selection at your favourite retailer for the best selection of the season. Fact is, they don't replenish the 'hard to find' varieties of tulips, daffodils, narcissus, hyacinths and the like later in the fall season. Even if you just store your new purchases in your garage for a few weeks, at least you have the varieties and colours that you really want.
Compost: a. empty b. fill. Not to oversimplify this, but your garden needs the natural goodness that is contained in your backyard composting unit and your now-empty composting unit will provide a valuable service this autumn when the leaves fall and you yank your spent annuals and veggie plants out of the ground.
Cut and bring indoors. Many of the flowering plants in your yard, annual and perennial, are in perfect shape for sharing. Cut your monarda, phlox, rudbeckia and the second coming of Veronica that is showing off in your yard. Bring them indoors to bloom on the table. Enjoy the colour and fragrance where you live. Change the water every second day to keep them fresh longer.
Dead head. Perennials and roses that have finished flowering will often produce more flowers come fall when you remove spent flowers before they go to seed.
Harvest your garlic. Ideally, you would have done this 2 weeks ago, but no harm. Dig it, dry it in the sun for 10 days and store it in cool, dry place until you are ready to use it.
Plant fall-flowering sedum, asters, mums, Japanese anemone, rudbeckia (well, it has been blooming for a few weeks now). Check out the selection at your local garden retailer.
September is the best month of the year to sow grass to either thicken an established lawn or start a new one. Also, to lay sod. Make sure that the base is good soil (see “compost” above) and water when dry.
September is also the best month to move peonies. Dig as much of the root mass as you can manage, cut the top by 80% and transplant into good quality soil. Do not bury the top portion of the root mass more than 8 cm deep or flowering will be delayed.
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