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Salvia Care

Salvia is the largest genus of plants in the mint family Lamiaceae, with nearly 1000 species of shrubs, herbaceous perennials, and annuals. Within the Lamiaceae, Salvia is part of the tribe Mentheae within the subfamily Nepetoideae. Often referred to as sage, this plant has spikes of densely packed flowers with tube-like blossoms in colors of blue, pink, yellow, purple, red, or white. Salvia stems are square with velvety leaves. Hardy in USDA zones 5-9, this plant is heat and drought tolerant and thrives in full sun. Depending on the variety, Salvia can grow 18 inches to 5 feet tall. A perfect addition to a summer garden bed, Salvia is also great for borders, walkways, or wildlife gardens.


Planting Salvia

Salvia will flower best in full sun and with good draining soil. This plant does not like to be crowded and needs good air circulation. Refer to its mature size when planting and space accordingly, 1-3 feet apart. Salvia will grow in most kinds of soil, as long as it is well-drained. Dig a hole twice the diameter of its container, placing the root ball in the hole level with the soil surface. Fill in with soil, patting down gently. Water well after the initial planting.

Watering Salvia

Salvia is a very drought tolerant plant. If there is regular rainfall or irrigation, you will not have to provide additional water. Typically, this would be one inch of moisture a week. Excessive watering can cause root rot or disease. It is best to water Slavia in the morning, trying to avoid getting the foliage wet. Saturate the soil around the base of the plant allowing the soil to completely dry out in between waterings. A layer of mulch around the base of the plant can help to retain moisture during the hot summer months.


Fertilizing Salvia

Most Salvias are light feeders, meaning that they do not require fertilizing throughout the season. A light application of a balanced fertilizer or compost in the spring can encourage growth and more blooms. Salvia plants that get too much fertilizer, or are planted in too rich of a soil, can become leggy and flop over. Mulching around the base of the plant can add additional nutrients as the mulch decomposes.

Pruning Salvia

If left to grow on its own, Salvia will most likely bloom two times throughout the growing season. If you would like your Salvia plant to continuously bloom, then you will want to prune the plant throughout the season. Deadheading, removing the spent flowers, encourages reblooming. Some varieties of Sage can develop woody lower stems. These stems can be cut off if you wish. As the cold weather season approaches, many Salvia plants are cut down to the ground to overwinter.


Caring For Salvia in Pots

Salvia can be successfully grown in a container. Taller varieties can be a thriller while low growing Salvia can be a filler or spiller. Salvia plants like good air circulation. Be sure the container you choose is a large one with drainage holes. This plant is not picky about soil, so an all purpose garden soil mixed with perlite will work. Perlite helps water to drain quickly. A layer of mulch at the base of the plant will protect the roots, plus keep the soil temperature and moisture consistent. Water the plant weekly, allowing the soil to completely dry in between.

Winter Care for Salvia

Salvia will go dormant during the cold months and need very little care over the winter. You can leave the plant alone and it will go to seed. This will provide food for birds during the winter. Or, you can prune the plant prior to the first frost to prepare for the winter months. Cut the stalks just above the basal foliage. Remove any dead plant material that you notice. Mulch around the base of the plant to protect the roots. The biggest concern over the winter will be the plant getting too much moisture from snow.


Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Subfamily: Nepetoideae
Tribe: Mentheae
Genus: Salvia


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