(The Queen's Sage) Regal spikes of lavender-to-purple flowers give weight to this sage's common name. It provides an abundance of blossoms during summer in USDA Zones 6 to 10. Cold hardy and heat tolerant, this impressive perennial comes from the mountains of Turkey.
Queen's Sage grows quickly into a large clump with tall, branched flower spikes. The fragrant foliage is an attractive gray-green. Although it is also known as Salvia verticillata subsp. verticillata, this seems inaccurate from a gardener's perspective. Queen's Sage tends to be taller and more stately than Lilac Sage.
This is an attractive plant for perennial borders, large container plantings or path edging. Give it full sun, well-drained soil and average watering based on local conditions. Butterflies love it. Hummingbirds also visit, which can't be said for all Old World Salvias.
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Posted: Wednesday, February 11, 2015
Overgrown herbaceous perennial Salvias need to be divided into multiple smaller plantings. In this video, Flowers by the Sea horticulturist and co-owner Kermit Carter demonstrates how to split perennials, which are plants that die to ground in cold weather but return annually. Many perennial Salvias with basal, rosette foliage have roots that spread to form clumps of multiple plants. Carter says that breaking a clump into smaller pieces is similar to working a jigsaw puzzle; find the clump's crowns and you find the division points. Carter demonstrates how to complete the task quickly using simple tools, such as your fingers and a serrated bread knife. He removes dead foliage and spent soil to ready the plants for replanting in quality potting mix. Then he explains how to encourage root growth by placing the pots in partial sun so soil doesn't get too dry.
Dividing Herbaceous Perennial Salvias is part of the Views from the Garden video series published in the FBTS Everything Salvias blog. Flowers by the Sea is a farm and online, mail order nursery specializing in Salvias.
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Here are some guidelines for success with this plant in your garden.
Click on an individual icon for more detailed information.
This plant needs or tolerates more than six hours of intense sunlight daily. Many Salvias only thrive in wide-open locations where they receive long hours of full sun. However, full-sun species sometimes tolerate a bit of partial shade. Or a Salvia that loves partial shade may be amenable to spending part of its time in full sun.
In general, this sun/shade adaptability shows up in Salvias that do best in cooler climates when grown in full sun and thrive in hot climates when partial shade is available. So full-sun Salvias sometimes are also categorized as partial-shade plants and vice versa.
This plant can handle extreme heat.
Full-sun Salvias that don’t like any shade are among the most heat tolerant. Heat-loving Salvias also are often drought tolerant. Moisture-conserving features, such as fuzzy leaves, help them stay perky at high temperatures.
Heat-tolerant Salvias are fine choices for western and southern exposures.
Plant hardiness Zones defined by the U.S. Department of Agriculture tell you the minimum temperatures a plant can withstand in your garden. The USDA divides the nation into winter climate areas from coldest (Zone 1) to warmest (Zone 11).
However, it is sometimes possible to grow a Zone 6 Salvia as a perennial in Zone 5 if you provide preferential care, such as winter mulching and a location sheltered from harsh winds. In contrast, a Zone 9 Salvia may act like a perennial in Zone 10 if given a bit of shade or extra water.
To create a harmonious landscape plan, it is important to consider the heights of individual plants.
Height also affects function. Short Salvias often make excellent ground covers that conserve soil moisture and discourage weeds while also brightening your yard. Medium-height Salvias, such as ones 36 inches tall, often are ideal border plants. A tall Salvia planted singly can highlight a landscape; multiple plantings can form an attractive screen.
By considering the width of a plant, you can determine how many to place in a row or what other plants to grow with it.
For example, a narrow, moderate-height Salvia may look good interplanted with bushier species, kind of like Mutt and Jeff.
In contrast, wide-spreading Salvias are economical for hiding lengths of wall and fence or for creating hedge-like divisions in a yard.
Plant this herbaceous species in the USDA Zones where it grows as a perennial, returning year after year.
After dying back to the ground at frost, herbaceous perennials emerge in the Spring with soft, new growth. A Salvia that is perennial in one region, may be an annual in another depending on local conditions, such as winter temperatures.
If you live in USDA Zone 5, for example, Salvias in our catalog cited as growing well in Zone 5 or lower will be perennial. Those cited as doing well in Zones 6 or higher may do well in Zone 5, but generally will act like annuals coming back from seed instead of the parent plant’s roots.
This plant needs regular watering based on what is appropriate to your local conditions.
In some extremely hot, arid climates, this may mean daily watering in Summer. Although many drought-resistant Salvias survive on little to no watering due to local rainfall and deep roots meeting their moisture needs, others need regular doses. The size and frequency of the dose depends on your climate.
This plant attracts butterflies whether for nectar or as a host for their caterpillars. Some butterflies feed on a limited range of flowering plants and only lay eggs on one kind of host plant. Salvia nectar lures adult butterflies. Placing host plants, such as Milkweeds (Asclepias spp.), next to nectar plants builds butterfly habitat. In exchange, the butterflies improve fertility in your garden through pollination.
Unless local forage is in short supply, most deer likely will avoid this plant.
It appears that deer dislike Salvias, in general, due to their volatile oils that make the plants so fragrant and savory in cooking. However, the only completely deer-proof plants are the ones grown beyond reach.