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Perennial Propagation

Though most perennials may take a couple of years to flower from seed, many are as easily started as annuals. The quickest way to have blooming plants, however, is by vegetative propagation, such as by dividing old plants or rooting stem cuttings. Plants produced vegetatively have all of the traits of the "mother" plant. Propagation by division may seem difficult at first, but most gardeners find that dividing crowns and roots and separating bulbs takes very little experience and can be mastered quickly. Try dividing monkey grass for experience; then move on to daylilies, and before long you will have the hang of it.

Perennial plants with shallow roots are easily pulled apart by hand. Long fibrous roots can be pulled apart with a hand fork. Thickly intertwined roots may need more forceful separation or cutting with digging forks. Replant only those segments with strong roots and a few intact leaves or crowns.

In general, it is best to divide perennials during their dormant or "off" season; divide spring bloomers in the fall and fall bloomers in spring. Some perennials may need dividing every 3 or 4 years, or they will slowly crowd themselves into clumps of nonflowering leaves and roots.

Many perennial plants may be propagated from stem cuttings, which does not disturb the plant's roots. Take stem cuttings during the spring or early summer, choosing stems that are mature and firm but not yet hardened and woody. Cut off 4- to 6-inch segments using a sharp knife or shears, and pinch off the succulent tip and any flower buds to force the cuttings to concentrate their energy on producing roots. Remove the lower leaves that will be below the surface of the rooting medium, but leave a few leaves to provide a source of energy for root initiation and growth.

Because of disease or weather conditions, cuttings often will not root directly in garden soils. They may be easily started in a pot containing a porous, well-drained rooting medium, such as a 1:1 mixture of perlite and peat moss. Coarse sand and vermiculite are also used as rooting soils. These mixtures will hold moisture and yet allow drainage for air circulation. Root-stimulating compounds, including those that contain fungicides, are available at most garden centers. Using a blunt stick, pencil, or finger, open a hole in the rooting medium and insert the treated cutting. Firm the medium around the cutting and water in well.

Many commercial growers use a mist bed to keep cuttings from wilting, but this is usually not feasible on a small scale. You may easily construct a humidity tent from plastic film loosely draped over a frame covering the cuttings. Place the tent in bright light, but prevent overheating by making sure the tent is not located in direct sunshine. Keep the plastic loose to allow air circulation. Avoid direct contact between the leaves and the plastic. The tent will serve as a tiny greenhouse and will maintain a good rooting environment with daily light watering. Rooting often occurs within 3 or 4 weeks. By the time new leaves begin to appear on cuttings, roots are usually formed. Remove the plastic tent and water regularly until plants are firmly established.

Transplant newly rooted plants into prepared beds or pots and place in a bright, protected area until you are ready to set them into your garden or share them with others.

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News

A woman uses a hoe to tend a flower bed.
Filed Under: Fruit, Coronavirus, Lawn and Garden, Flower Gardens, Vegetable Gardens April 3, 2020

Interest in gardening has nearly kept pace with social distancing and self-isolation rates across the country as the COVID-19 pandemic has circled the globe.

Tiny, purple eggplants grow on a vine.
Filed Under: Coronavirus, Flower Gardens March 30, 2020

As we continue to deal with the COVID-19 pandemic, increasing numbers of people are working and sheltering at home. Although no one even heard of it a year ago, social distancing is a crucial step in reducing the transmission of this very contagious and dangerous virus.

Gardening is the perfect social distancing activity.

Cabin fever can set in with everyone trying to stay home, and some people may think this cure may be worse than the disease. It is definitely not, and gardening can help make it enjoyable.

A person spreading mulch in a flower bed.
Filed Under: Lawn and Garden, Flower Gardens, Landscape Architecture, Vegetable Gardens March 26, 2020

Everyone’s normal routine is being flipped upside down. Employees are working from home, kids are out of school, and social gatherings are postponed. Boredom and stress are setting in. Gardening to the rescue! 

A carpet of tiny green and purple plants fill garden trays.
Filed Under: Coronavirus, Flower Gardens, Vegetable Gardens March 23, 2020

With much of our workforce telecommuting from home and with school suspended or cancelled for the kids, cabin fever has already become an issue for many households.

A single, orange bloom is open against a background of green.
Filed Under: Flower Gardens March 16, 2020

We are certainly experiencing troubling and scary times right now. “Quarantine,” “pandemic” and “social distancing” have become frequently used words, at least until we get a handle on COVID-19.

As a result, garden and landscape shows are being cancelled all across the South out of an abundance of caution. But that doesn’t mean that gardening has been cancelled.

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