Updated: July 5, 2023

Salvias, also known as sage plants, are beautiful and versatile flowering plants that can add a burst of color to any garden. With their vibrant blooms and aromatic foliage, salvias are a favorite among gardeners. These plants are also loved by pollinators like bees and butterflies, making them a great addition to any pollinator-friendly garden. If you are interested in growing salvias outdoors, here is a comprehensive guide to help you get started.

Choosing the Right Variety of Salvias

There are many different varieties of salvias available, each with its own unique characteristics and growing requirements. Some popular varieties include Salvia officinalis (common sage), Salvia nemorosa (woodland sage), and Salvia farinacea (mealycup sage). Before selecting a variety, consider factors such as climate, soil type, and sunlight availability in your garden.

Preparing the Soil

Salvias thrive in well-draining soil that is rich in organic matter. Before planting, prepare the soil by removing any weeds or debris and loosening it with a garden fork or tiller. If your soil is heavy or clay-like, consider adding organic compost or well-rotted manure to improve its texture and drainage capabilities.

Planting Salvias

Salvias can be grown from seeds, cuttings, or purchased as young plants from nurseries. Here’s how to plant salvias:

  1. Seeds: Sow salvias seeds indoors around 8-10 weeks before the last frost date in your region. Fill seed trays or pots with a well-draining seed starting mix and lightly press the seeds onto the surface. Cover the tray with plastic wrap to create a greenhouse effect and place it in a warm location with indirect sunlight. Keep the soil consistently moist until the seeds germinate. Once the seedlings have developed true leaves, transplant them into individual pots and gradually acclimate them to outdoor conditions before planting them in the garden.

  2. Cuttings: Take stem cuttings from a healthy salvias plant during spring or early summer. Choose non-flowering stems and make a clean cut just below a leaf node. Remove the lower leaves and dip the cut end in rooting hormone powder. Plant the cutting in a small pot filled with a well-draining mixture of perlite and peat moss. Keep the potting mix moist and place the cutting in a warm, bright location. After a few weeks, roots should start to develop, and you can transplant the cutting into a larger pot or directly into the garden.

  3. Young Plants: If you prefer an easier option, you can purchase young salvias plants from a nursery. Dig a hole slightly larger than the root ball of the plant and place it in the hole, making sure that the top of the root ball is level with the soil surface. Backfill the hole with soil, gently firming it around the plant, and water thoroughly.

Caring for Salvias

Once your salvias are planted, they require proper care to ensure healthy growth and abundant blooms. Here are some essential care tips:

Watering

Salvias prefer moderate watering. Water deeply but infrequently, allowing the top inch of soil to dry out between waterings. Avoid overwatering, as this can lead to root rot and other fungal diseases. During hot summer months, salvias may require more frequent watering.

Fertilizing

Feed your salvias with a balanced slow-release fertilizer once a month during the growing season. Alternatively, you can use a liquid fertilizer every two weeks for quicker results. Be sure to follow the package instructions for proper dosage.

Deadheading

To encourage continuous blooming, regularly deadhead your salvias by removing spent flowers. This will redirect the plant’s energy towards producing new blooms rather than seed production.

Pruning

Pruning salvias is essential to maintain their shape and promote bushy growth. In early spring, when new growth appears, trim back the stems to about a third of their height. This will help the plant produce more compact and abundant blooms.

Mulching

Applying a layer of organic mulch around your salvias plants can help conserve moisture, suppress weeds, and regulate soil temperature. Use materials like wood chips, straw, or shredded leaves and spread them around the base of the plants, leaving a gap around the stems to allow air circulation.

Winter Care

In regions with mild winters, salvias may survive outdoors. However, in colder climates, it is advisable to protect the plants by covering them with a layer of mulch or straw before the first frost. This will help insulate the roots and prevent winter damage.

Common Pests and Diseases

While salvias are generally resistant to pests and diseases, they can occasionally be affected by issues such as aphids, spider mites, powdery mildew, or root rot. Regularly inspect your plants for any signs of infestation or disease and take appropriate measures such as applying insecticidal soap or fungicides if necessary.

Conclusion

Growing salvias outdoors can be a rewarding experience for any gardener. By choosing the right variety, preparing the soil properly, and providing adequate care, you can enjoy beautiful blooms and fragrant foliage throughout the growing season. Follow the tips mentioned in this guide, and soon you’ll have a stunning display of salvias in your garden that will attract pollinators and bring joy to your outdoor space.