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Description
Salvia Japonica, commonly known as Japanese sage, is a perennial flowering plant that belongs to the Lamiaceae family. It is native to Japan and Korea but has now spread to other parts of the world, including the United States. The plant can grow up to 2-3 feet tall and has green leaves with a silver underside. It blooms in late summer to fall, producing clusters of small pink, purple or white flowers that attract bees and hummingbirds. Salvia Japonica is a great addition to any garden, as it adds color and texture to the landscape.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Salvia |
Appearance
Salvia Japonica has green leaves with silver undersides that are 2-3 inches long and 1 inch wide. The plant can grow up to 2-3 feet tall and has a spread of 1-2 feet. It blooms in late summer to fall, producing clusters of small pink, purple or white flowers that are 1/2 inch long. The flowers are arranged in whorls, with each whorl containing 6-10 flowers. The plant has a bushy growth habit and is a great addition to any garden.
Care Guide
Salvia Japonica is a hardy plant that requires minimal care. Here are some tips on how to take care of your Japanese sage:
- Water: Water the plant regularly, but avoid overwatering. The soil should be moist but not waterlogged.
- Fertilization: Fertilize the plant with a balanced fertilizer once a month during the growing season.
- Soil: The plant prefers well-draining soil that is slightly acidic. It can tolerate a wide range of soil types, including sandy and clay soils.
- Sunlight: Salvia Japonica prefers full sun but can tolerate partial shade. It is best to plant it in a location that receives at least 6 hours of direct sunlight per day.
- Hardiness Zones: The plant is hardy in USDA zones 5-9.
Common Pests & Diseases
Salvia Japonica is generally resistant to pests and diseases. However, here are some common issues to watch out for:
- Spider mites: These tiny insects can cause yellowing and wilting of the leaves. Use insecticidal soap to control them.
- Whiteflies: These tiny insects suck the sap from the leaves, causing them to turn yellow and die. Use insecticidal soap to control them.
- Powdery mildew: This fungal disease can cause a white powdery coating to form on the leaves. Use a fungicide to control it.
Habitat
Salvia Japonica is native to Japan and Korea but has now spread to other parts of the world, including the United States. It grows best in well-draining soil and prefers full sun but can tolerate partial shade. The plant is hardy in USDA zones 5-9 and can be grown in a variety of settings, including gardens, borders, and containers.
Question and Answer
Q: Is Salvia Japonica deer resistant?
A: Yes, Salvia Japonica is deer resistant.
Q: How often should I water my Salvia Japonica?
A: Water the plant regularly, but avoid overwatering. The soil should be moist but not waterlogged.
Q: What is the best time to plant Salvia Japonica?
A: The best time to plant Salvia Japonica is in the spring, after the last frost.
Q: How tall does Salvia Japonica grow?
A: Salvia Japonica can grow up to 2-3 feet tall.
Related Plants
- Salvia Officinalis (Common Sage)
- Salvia Divinorum (Diviner’s Sage)
- Salvia Nemorosa (Woodland Sage)
- Salvia Greggii (Autumn Sage)
References
- “Salvia Japonica.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b540. Accessed 22 Aug. 2021.
- “Salvia Japonica.” Plant Care Today, 10 Mar. 2021, plantcaretoday.com/salvia-japonica. Accessed 22 Aug. 2021.
- “Salvia Japonica.” Gardening Know How, 24 Feb. 2021, www.gardeningknowhow.com/ornamental/flowers/salvia/salvia-japonica.htm. Accessed 22 Aug. 2021.
