Is vervain a perennial?

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Is vervain a perennial?

Blue vervain is a native, perennial wildflower that grows from 2 to 5 feet tall. Its hairy, square stems can be green or red.

Does verbena come back each year?

Several species of plants fall under the genus Verbena. Although a few of these are annuals and need to be replanted each year, many more are perennials and come back year after year. As a perennial, verbena grows well in zones 7-11, but as an annual in cooler climates and zones.

How do you grow verbena Hastata?

Customer Review - Verbena hastata, 'Blue Spires'

  1. Germination Instructions. Sow indoors. Sow into moist well-drained seed compost. ...
  2. Growing Instructions. Grow in a mass for best effect. Pinch back when first planted to encourage branching. ...
  3. Cultivation Instructions. If sown early it will flower in the same year.

How do you grow Verbena rigida from seed?

rigida is easily grown from spring-sown seeds. They germinate within 3-4 weeks and seedlings can then be pricked out individually into 3in pots of John Innes No 2. Once the roots reach the bottom of the pot, usually within 5 weeks, the individual plants can be put out into position.

Is Verbena a ground cover?

Verbena plants come in a variety of shapes and sizes. While some have an upright growing pattern, there are several that stay very short and spread quickly by creeping along the ground. These varieties are great for groundcover, and will fill in an empty space very fast with delicate, low foliage and bright flowers.

When do you cut down Verbena?

Just as spring is the ideal time to perform control pruning on the verbena bonariensis, in the summer pruning can be carried out to improve the development of the plant. Once finished the first flowering you can carry out the pruning to a quarter of the entire height of the plant.

How big do verbena get?

Verbenas vary considerably in size. The ground skimming moss verbena and trailing verbena reach 1 foot or less in height and spread from 2 to 5 feet wide. Verbena rigida usually grows 1 to 1½ feet tall, while purpletop vervain and the native blue verbena can reach 4 to 5 feet tall, but only a foot or two in width.