Clematis: Queen of the Vines

    • Azaleas, camellias and rhododendrons can be pruned now without sacrificing next years’ bloom. Ask at your nursery if you need help.
    • Paint trunks of young fruit trees with Tree Trunk White. This will keep the soft bark from sun-burning which leaves cracks for borer insects, the most common cause of death of young apple trees.
    • Petunias, in bright pink, red and purple, will add beauty and color to sunny borders all through the summer.
    • Earwigs are out and about and hungry. Control them with the new “Sluggo Plus”, which has the natural, bacteria-based spinosad added to the original iron phosphate formula.
    • Finish planting the summer vegetable garden. Seeds of early corn, and beans can go directly in the soil and plants of tomatoes, peppers, eggplant, melons, squash, cucumbers and basil can be set out.

Clematis: Queen of the Vines

Clematis are the aristocrats of the flowering vines. With over 300 species and many hybrids, this group of mostly woody, climbing vines has a lot to offer the gardener.

Their flowers span the color spectrum. The large-flowered cultivars range in color from rich reds, purples, and blues to pale pink and white. The smaller flowered “montana” varieties cover themselves with masses of pink or white fragrant blooms early in the season. And the evergreen clematis, with its profusion of starry-white blooms, carries a heavy fragrance.

There is a clematis to enhance any garden, no matter how large or small. Some varieties, if left to wander, will easily grow to 30 feet, while others mature at 6 to 8 feet. Many hybrid varieties mature at 8 to 12 feet, and are stunning on a fan trellis.

Clematis do not climb by tendrils, but instead by gently twining their leaf petioles around nearby supports, including plant stems, branches, wires, small poles and themselves. They do not cling to walls and, without support, will ramble until they find something suitable to climb on. In the wild, clematis are often found growing at the woods’ edge, where their tops can reach full sun and their roots remain in the shade.

Selecting the right place for clematis is important for its success. Clematis thrive where the vines receive sun for at least six hours a day with cool, moist soil for the roots. Morning sun is preferable. Plant vines in the shade of a small shrub or plant a groundcover or perennial over the root area to shade the soil.

Clematis can be planted deep and actually benefit from having the crown buried up to four inches below the surface of the soil. This helps the plant recover if the top of the plant is damaged, by sending up shoots from dormant buds below the soil.

Begin feeding clematis in early spring, as soon as the new shoots start to grow. A generous mulch of garden compost mixed with well-rotted manure is a good recipe. You can substitute a rose fertilizer for the manure if you prefer.

Keep the mulch away from the stems. During the summer months, fertilize with a liquid fertilizer twice a month until mid-August. After that, the plants need time to slow down and harden off for the winter.

Pruning clematis vines is somewhat complicated. Keep track of the names of the varieties you plant so that you can ask for help at your local nursery. Proper pruning will create masses of flowers that cover the plants at bloom time. Improper pruning will delay flowering, and no pruning will leave you with a tangled mass of stems but plenty of flowers.

The first spring after planting, all clematis should be cut back just as you see leaf buds developing. Cut above two sets of buds on each stem. This will thicken the stems and encourage proper root development.

Clematis will reward you with an abundance of beautiful blossoms for many years. To see a clematis in full bloom is to understand why it is often called “the queen of the flowering vines.”

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