Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Symphytum officinale you will need.
*Correct and successful spacing is complex and depends on project conditions.
Symphytum officinale
Comfrey
- Flowers change from pink to blue as they open
- Has a rich history as a healing agent of many sorts
- Common plant for herb gardens; easily grown
- Category: Perennials
- Program: Peace Tree Organics
- Hardiness Zone: 5-8
- Height: 2-3 ft
- Spread: 1-2 ft