Russian sage

Perovskia atriplicifolia

Perovskia atriplicifolia, also known as Russian sage, is a perennial herbaceous plant primarily cultivated for ornamental purposes. The following is information regarding the plant's growth characteristics, propagation methods, cultivation techniques, garden uses, and major pests and diseases, as well as control methods.

Growth Characteristics:
- Environment: Perovskia atriplicifolia thrives best in sunny locations. It prefers dry, well-drained soil.
- Size: Mature plants typically grow to a height of 90–120 cm. The width is approximately 60–90 cm.
- Flowers: Small flowers ranging from blue to purple bloom from summer to autumn, characterized by silvery leaves.

Propagation Methods:
- Seeds: Seeds can be sown directly in the spring or transplanted after growing indoors.
- Cuttings: Stem cuttings can be taken in late spring or early summer to propagate the plant. Cultivation Method:
- Watering: It grows well even in dry environments, so water moderately. It is best to avoid overwatering.
- Soil: Use well-draining sandy or gravelly soil.
- Fertilizer: Fertilizer is rarely needed, but a small amount of natural fertilizer can be applied in the spring.

Garden Uses:
- Perovskia is excellent as a background plant for flowerbeds, adding a unique texture to the planting landscape. In particular, the flower stems swaying in the wind create a beautiful visual flow.
- It thrives in dry gardens or around stone walls and pairs well with other perennials.

Major Pests and Control Methods:
- Pests and Diseases: Although it is a relatively pest-resistant plant, aphids may occasionally occur.
- Control Methods: If aphids appear, they can be prevented through regular watering; in severe cases, eco-friendly insecticides can be used.
- Other: Be careful of overwatering. Overwatering can cause root rot. Perovskia atriplicifolia is relatively easy to care for, making it an attractive plant that even beginners can easily use in their gardens.

Plant Type
Plant Family	Lamiaceae
Height	90~120cm
Spread	90~120cm
Colors	purple
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Yaponica
Peristrophe japonica

Perovskia 'Blue Spire'
Perovskia atriplicifolia 'Blue Spire'