Official vervain
Verbena officinalis
Official vervain is a slender, upright perennial herb with a long history of medicinal and ritual use, thriving best in full sun to partial shade in average, well-drained soil. It is low maintenance, tolerates poor soils, and attracts a wide variety of pollinators with its small lilac flowers throughout summer. Deadhead spent blooms to extend flowering and cut back hard in early spring to encourage vigorous new growth.
Care Level
Low
Sun
Partial Sun
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days During Dry Periods; Largely Self-Sufficient Once Established • Water Moderately, Allowing The Top Inch Of Soil To Dry Out Between Waterings; Avoid Overwatering
Soil pH
7 – 7.5
Temperature
-50° – 85°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Medium
Propagation: Seed
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Jul 7, 2018 by Fejul Xeto (cc-by-sa)
No nurseries currently have this species in stock.