How to Grow Clematis (Tips & Care Guide)

Among the most popular and eye-catching flowering vines, clematis can be found in many gardens.

Woody, deciduous vines, herbaceous species, and evergreens are all included here.

Flowering time, colour, and form vary among species; most of them bloom between the early spring and the fall.

A good clematis garden depends on the variety chosen, but most plants require the same primary care.

Learn how to properly take care of your clematis by reading on.

How to Grow Clematis

At least six hours of sunlight are required for blooming, but the soil must remain chilly enough for clematis to thrive.

An easy solution is to surround the clematis with ground cover or shallow-rooted perennials.

To keep the roots cool and moist, add a 2-inch (5-cm) layer of mulch.

Clematis vines need to be maintained in some way while they are growing, too.

Depending on the variation, the support system will vary.

Poles, for example, work well for clematis vines that reach a maximum height of 2 to 5 feet (61 cm to 1.5 m).

If you want to plant taller varieties, such as those that may reach 8 to 12 feet, an arbour may be the best option (2-4 m.).

A trellis or fence is ideal for the majority of cultivars, though.

Clematis Planting Info

It is possible to grow clematis outside, despite the fact that the majority of these plants are cultivated in pots.

In the fall or early spring, depending on the region and variety, they are frequently planted.

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Planting clematis in a well-draining, well-ventilated area is essential to the health and growth of the plant.

It’s best to dig a hole big enough to fit the plant, and most experts recommend amending the soil with compost before planting at least 2 feet (61 centimetres).

To help the plant adjust to its new habitat, it may be beneficial to prune the plant back a bit before planting.

Tips for Clematis Care

Except for watering, clematis vines require little maintenance once they are established.

When it’s hot and dry, they should be watered one inch or so a week. Every spring, mulch should be reapplied.

Keep an eye out for typical issues with these plants, too.

In extreme cases, blackened clematis leaves and stems can cause the vines to suddenly collapse and fall to the ground and die.

Plants with insufficient air circulation are frequently affected by powdery mildew.

Aphids and spider mites can also be a nuisance in your garden.

Pruning Care of Clematis

Clematis plants may also benefit from annual pruning to keep them at their best.

Clematis pruning ensures that the plant looks well and produces a lot of flowers.

Depending on the type of clematis vine that is being grown, pruning times and methods are determined.

Early spring-flowering types should be cut down immediately following they’re blooming, but before July, as they bud on the previous season’s growth.

Late winter and early spring is the best time to trim down large blooming types that bloom in mid-spring.

Late winter/early spring is the time to cut back late-blooming types by two to three feet (61-91 cm.).


Clematis can be grown from seed, but it can take up to three years for germination!

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For the home gardener, stem cuttings are a more efficient way of propagation.

Softwood stems and semi-ripe wood are used for cuttings in the spring and summer respectively.

Allow new growth to mature for a few weeks before cutting if you are propagating in the spring.

This makes the green softwood a little more resilient to handling and shock.

In addition, avoid using tender growth tips because they’re too brittle to root.

Multiple cuttings can be taken from a single healthy section of vine that has many sets of leaves.

Using clean, sterilised scissors or snips, make a bottom cut about half an inch to an inch above a leaf joint.

One inch above the next set of healthy leaves, snip the top off.

Once you’ve reached the last set of leaves before the stem tip, keep slicing pieces of the stem. Toss out the protruding end.

There will be three to four inches of the stalk with leaves at the top of each part.

Rooting hormone powder should be dipped into the bottom and shaken gently to eliminate any remaining powder.

Using moist starting soil, plant three to four stems in a four-inch to six-inch pot with three to four leaves each. The stems should be firmly pressed into the soil.

Cover the pots with a plastic bag in places with dry air to keep them moist.

Using chopsticks put into the dirt, wrap the bag around the pot with an elastic band to protect the cuttings from touching the bag itself.

Keep the soil well-watered and brightly lit.

Roots should begin to appear between four to eight weeks of transplanting. Remove the plastic cover once the phone is rooted.

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Plants should be pruned back to 12 inches after they have rooted and started generating new growth. In late summer, they will be moved to their permanent location.

Managing Pests and Disease

Although Clematis is a hardy and easy-to-grow plant, a few difficulties must be kept in mind.

Slugs and snails are drawn to fragile young shoots because their roots are in the shade.

We recommend using diatomaceous earth and crushed eggshells as a barrier around your garden’s green stems, or any of the other measures suggested in our guide on how to keep slugs and snails away.

As a fungal illness, powdery mildew is possible but can be prevented by a thick mulch and regular watering.

Any damaged shoots should be removed and destroyed, and if necessary, treated with a commercial fungicide.

In the spring, a stinky, white ooze emanates from the stems of clematis plants.

This illness arises on stems that have been injured, so protecting the stems is the best way to prevent it.

New shoots may spring out in the same growing season if the damaged stem is cut back to below the ooze level.

Large-flowered, midseason kinds of clematis are most commonly affected by clematis wilt, which causes leaves and stems to turn black before dying.

Provide mulch to keep the roots of sick plants cold. C. Alpina, C. Montana, and C.

Macropetala are all small-flowered vines that are resistant to wilt, so make sure your vines are growing in full light.

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