Dividing and Transplanting Perennials in Fall
Written by Wayne on September 1, 2010 – 12:01 am
August and September is a great month for dividing and transplanting. The heat of summer has hopefully passed and there is still plenty of time for plants to recover from being moved before the cold winter weather sets in. The normal Fall rains, will also allow the plants to become established.
The rule of thumb for deciding which perennials to transplant or divide is based on bloom time. Late Summer and Fall bloomers are suited for moving in the Spring while Spring and Early Summer flowering perennials can be transplanted in Fall. Some Spring flowering perennials are lungworts, primroses, epimedium, peonies and hostas may be divided and transplanted at this time of the year.
Transplanting or dividing can be motivated by the desire to change the look of your garden or plants that are just not doing well and need a change. There are several signs that can tell you it is time to divide a perennial such as when it does not bloom as well or the blooms are smaller and when the center of the plant starts to look kind of raggedy. Other signs, are when a plant flops over and requires support, or has grown beyond its bed or container.
Perennials can be divided just to create new plants for other parts of the garden or to share with friends. Perennials can provide an ongoing source of new plants. Careful division and re-planting can be a lot of fun too!
Tips of the Month
The first step in properly dividing and transplanting perennials starts with the digging of the plant that is to be divided.
- Dig out far enough from the plant to get all the roots without breaking or damaging them.
- Shake off the soil that clings to the roots carefully so as not to damage the roots of the plant.
- If you are dividing the plant, separate the crowns by simply pulling them apart or cutting them with a sharp knife or shovel. Remove any unhealthy or dead parts of the plant.
- Try to preserve as many of the roots as possible.
- Keep newly dug and or divided plants protected, if you cannot transplant them the same day, place them in the shade and cover with wet newspapers ora damp rag.
- Plant each division into well-prepared soil that has good drainage.
- Reset each division at exactly the same depth it was originally planted.
- Water the plant until a hard freeze.
- Once the ground freezes, apply a layer of mulch to help retain soil moisture.
Flower of the Month

Phlox paniculata ‘David’
it is a fragrant white-flowering garden Phlox that does not get mildew. This is a sturdy upright plant, does not need staking. A very steady performer in our garden where we use it as a backdrop for the Floribunda Rose Impatien. Known for its powdery mildew resistance, has been named the 2002 Perennial Plant of the Year by the Perennial Plant Association.Web Site of the Month
P. Allen Smith
They are an award-winning garden designer and host of the public television program, P. Allen Smith’s Garden Home and the syndicated 30-minute show P. Allen Smith Gardens. He has emerged as America’s most recognized and respected garden design expert, providing ideas and inspiration through multiple media venues. We wait impatiently each week for his newsletter.
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Wildflower Gardening is a must for those gardeners interested in attracting wildlife. Whether your interest lies with butterflies, moths, birds or other critters the surest way to attract them into your gardens is by planting what is familiar to them. No self respecting White-Tailed Deer would be caught dead in a bamboo cane break. Also you would not find many American Bullfrogs feeding on insects in a sunny cacti garden. If you provide wildlife with the right food and shelter they will come.
Similarly, the Monarch Butterfly larva can eat a lot of Pink Swamp Milkweed foliage, but what wonder it is to watch an adult emerge from its Chrysalis. We are only too happy to see butterfly and moth larva feeding on our wildflowers as we know soon adults will be drifting about laying more eggs for the next generation.
How we remember the times when pesticides were so over used that it was rare to see any butterflies and moths. Fortunately, today we realize how important all of natures creatures are and how they interact with each other. Knowledgeable gardeners now plant to encourage their presents, and why not, what would gardening be without them.
While wildfowers have become more widely available today, do not expect to buy a packet of seeds at the corner drugstore, sprinkle them around, and magically have a field of flowers. By all means avoid buying seed at your local nursery unless you know that they specialize in wildflower gardening. Most pre-packaged seeds are not worth the effort to plant. It might be nostalgic to use “North Manitou Island Wildflowers” or “Yellowstone’s Buffalo Blend”, but the chances of the seeds growing into something beautiful are slim.
Echinacea pallida Pale Purple Coneflower
Echinacea pupurea Rubinstern
Echinacea purpurea Fragrant Angel
Echinacea purpurea Magnus
Echinacea purpurea Art’s Pride
Echinacea simulata Glade Coneflower or Wavyleaf Purple Coneflower
Rudbeckia grandfloria Black-Eyed Susan
Rudbeckia laciniata Herbstonne
Echinacea purpurea Kim’s Mop Head



Fortunately, the large leathery leaves appear in Spring and are up to 20 inches long and 3 inches wide depending on species or selection. Medium green and oblong in shape, they are arranged alternately on the squat branches. The leaves cluster at the branch ends where they form the perfect backdrop for the plant’s feature attraction – deliciously fragrant, delicately sculpted flowers.
In early Summer through the early Fall months, when very fragrant clusters of showy, waxy flowers appear the real reason for growing Plumerias become apparent. There is absolutely nothing like the sweet fragrance of Plumeria in flower, with fragrances of jasmine, citrus, spices, gardenia, and other indescribable scents. Flowering can last up to 3 months at a time producing new blooms everyday. Once picked, a bloom can last for several days without wilting if kept in water. These flowers are treasured by everyone, young and old and have become a symbol of Hawaii.
Plumeria rubra ‘Lei Rainbow’ is a beautiful red to yellow tropical flowering plant which can be grown in full sun to partial shade. While it is hardy to only zone 11, it can be easily grown as a container plant.








