Family Plot

Dividing Daylilies

Every 3-5 years daylilies need to be divided to keep them becoming overcrowded. Joellen Dimond, Director of Landscape at the University of Memphis, shows how to do it. After removing the plant from the ground, she shows how to cut through the root ball from the top with a digging fork or a shovel. She then replants the two daylilies back into the ground.

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Reducing the Height of a Shrub

This week in the garden University of Memphis Director of Landscape Joellen Dimond shows how she reduces the height of a shrub with pruning. She also talks about how she selects the location of her cuts to encourage the plant to grow in certain directions. >>Watch

Garden Notes
Apical Dominance

When plants grow, apical dominance keeps all the branches from being the main trunk. Joellen Dimond, Director of Landscape at the University of Memphis, shows how a single pruning cut several years ago broke the apical dominance of a branch on a shrub allowing lateral growth from side shoots.
>>Watch

Herbicide Basics

Retired UT Extension Agent, Mike Dennison, talks about the basics of herbicides. There are two kinds of herbicides: pre-emergent (these keep plants from sprouting) and post-emergent (these kill plants that are already growing). Using both kinds at the appropriate times gives the best overall control of weeds. >>Watch

Mike refernces the publication Introduction to weeds and Herbicides: https://extension.psu.edu/introduction-to-weeds-and-herbicides

Sedums

Sedums, or stonecrop are succulents that naturally grow among rocks where drainage is very good. University of Memphis Director of Landscape Joellen Diamond says there are many kinds of sedums, but they are mainly divided into two categories based on their size. Sedums are succulent meaning they have thick leaves that store water. She shows some of the common kinds and talks about how to care for them. Sedums thrive on neglect and lack of water. Most of the problems sedums have is the result of unfavorable growing conditions. >>Watch

What is this plant? Answer – Sedum

Water-Wise Gardening

Spraying Peach Trees

Retired Extension Agent Mike Dennison shows how to spray a peach tree. Before you spray, read the label and follow the safety guidelines on it. Wear long pants, a long sleeve shirt, and rubber gloves. It is likely the spray will drift onto you so the protective gear is important. >>Watch

Pruning Nectarines, Peaches, and Plums

Thinning Peaches

Planting Salvia, Petunias and Marigolds

Primary colors are always a good color selection for an annual flower bed. University of Memphis Director of Landscape Joellen Dimond plants blue salvia, red petunias and yellow marigolds in the annual garden. She first has to get the bed ready by removing the winter annuals. She then shows how to fertilize and plant each kind of flower. >>Watch

Planting Summer Flowers

Planting Petunias, Vinca, and Salvia

Planting a Butterfly Garden

Planting Potatoes

Master Gardener Tom Mashour shows how to prepare and plant seed potatoes. There is a difference between store bought potatoes to eat and seed potatoes. Store bought potatoes have been cleaned and treated to keep them from growing. Seed potatoes look dirty and are probably growing eyes. Tom shows how to cut up a seed potato. They should come up in about a week. When they are about a foot tall, hill them – push dirt up against the plants – so only about 4 inches of the plant remains above the soil. >>Watch

Growing Potatoes

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Viewer Questions

How do I control invasive double daylilies?

Invasive daylilies can take over and crowd out desirable plants. University of Memphis Director of Landscape Joellen Dimond says she has had this problem in her beds. She chose to dig up the unwanted daylilies. She gives some tips on how to identify them early in the spring. She says you could also use an herbicide. >>Watch

This grass is taking over. What is it and how do we get rid of it?

This is Poa Annua or annual bluegrass. It is a grassy winter annual weed in the southeast United States. University of Memphis Director of Landscape Joellen Dimond says they are one of the hardest weeds for lawn services to control and they have many seeds. UT Extension Agent Chris Cooper says pre-emergent herbicides do a good job controlling it and he recommends them. There are a few post-emergent herbicides that can work too. >>Watch

These brown spots are covering my yard. What is it?

This is the effects of a lawn fungus called red thread. UT Extension Agent Chris Cooper says you see red thread when there are extended periods of wet, cold weather in the spring. Chris gives several options for control including some fungicides. >>Watch

Can I plant daylilies in a well-drained area with full sun?

Daylilies like sunny areas that are well drained. University of Memphis Director of Landscape Joellen Dimond says if it is very well drained watch the plants. If they wilt you need to water them. >>Watch

Can you kill black locust plants with hack and spray?

Yes you can. University of Memphis Director of Landscape Joellen Dimond says black locusts are easiest to control when they are small when you can easily pull them up. UT Extension Agent Chris Cooper says when you cut the trunk of the tree paint it with glyphosate or triclopyr that will get taken to the roots and kill the plant. It won’t be a one-time thing. You will need to eliminate any new shoots that come up from the roots. >>Watch