Buchnera convallicola
Buchnera convallicola, commonly known as Blue Toadflax, is a perennial ornamental plant that prefers part shade and medium water. It typically grows to a height of 0.4-0.6 meters and blooms with blue flowers from June to August. This plant is suitable for USDA zones 5-8 and prefers loamy or chalky soils.
Light
Partial shade
Watering
Medium water
Soil
Loamy, Chalky
Height
0.4–0.6 m
Spread
0.3–0.4 m
Zones
5–8
Flower colors
This perennial thrives in part shade and requires medium watering. It is suitable for USDA zones 5-8 and reaches a height of 0.4–0.6 meters.
It blooms from June to August with blue flowers. The preferred soil types are loamy and chalky.