Clematis (Clematis occidentalis) is a flowering vine that is ideal for vertical spaces in the landscape or patio. This climbing perennial will put on a dazzling display of flowers throughout the summer that will attract hummingbirds and the vine grows equally well in-ground or in a container. So, how do you grow clematis?
Find a small landscape spot that could use some vertical color and texture, then follow these tips for planting and growing clematis.
Growing Location
Clematis grows best in full sun but it will tolerate partial shade. This vigorously growing vine will need a vertical structure to climb on and is perfect for planting at a rural mailbox, lamp post, arbor or trellis.
How To Plant Clematis
Select a healthy vine with no visible flaws from your local nursery or garden supply center. Prepare the soil by mixing in compost to help keep the vine fed and retain soil moisture.
Plant in a hole the same depth as the vine was in its original container. Water well and add a 3-inch (7.5 cm) layer of organic mulch at the base of the clematis to keep the soil cool.
If planting clematis in a container, use quality potting soil, water vine and mulch top of soil immediately after planting. Low-growing or trailing companion plants can also be planted in the container, just be sure to select companion plants that have the same sun and soil needs, like moss rose or dwarf marigolds.
About The Blooms
A clematis bloom is star-shaped and can be up to 6 inches (15cm) across with single or double petals depending on the variety planted. Bloom time will also depend on this.
Bloom colors span the gamut, ranging from multicolored to single shades of purple, blue, pink, yellow, white, and red.
Mature Size
The width of a mature clematis remains pretty much the same, 3 feet (90 cm), regardless of the variety grown, but the height can vary greatly. The vine will be 4 (120 cm) and 30 (9 m) feet long when mature and can be pruned to the desired length.
How To Maximize Coverage Over Their Support
Clematis produces flowers on new growth, last year’s growth, or both, depending on the variety. You can maximize coverage by pruning at the correct time of year and you must know the particular variety of clematis you have to determine the correct pruning time. Feed the vine immediately after pruning.
Prune the vine at planting time to stimulate root growth and promote new growth for a lot of stems. Keep broken and diseased branches pruned off to promote new, healthy growth.
Plant facts
| Genus | Clematis |
| Light | full sun, part sun |
| Soil type | chalk, clay, loam, sand |
| Soil drainage | moist but well drained |
| Height x Width | depending on type |
| Flowering seasons | Spring, Summer, Autumn/Fall |
| Life span | perennial |
| Plant hardiness zones | 4 – 11 |
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