Large-flowered comfrey

Symphytum grandiflorum, Boraginaceae

Zones

4–8

Layer

Ground Cover

Lifespan

Perennial

Growth

Moderate

Guild Roles

Dynamic AccumulatorMulch MakerGround Cover

Growing Conditions

Sun

Partial Shade (preferred)Full Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

5.5 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Powderblue Rabbiteye BlueberryVaccinium ashei

Nutrient AccumulationBeneficial Insect Habitat

Bronze LoquatEriobotrya deflexa

Nutrient AccumulationBeneficial Insect Habitat

Whitebark RaspberryRubus leucodermis

Nutrient AccumulationBeneficial Insect Habitat

Water HickoryCarya aquatica

Nutrient Accumulation

Southern Shagbark HickoryCarya carolinae-septentrionalis

Nutrient AccumulationBeneficial Insect Habitat

Antagonistic Plants

Common Hemp NettleGaleopsis tetrahit

Hemp nettle releases compounds that can inhibit comfrey growth while competing for nitrogen

SalmonberryRubus spectabilis

Salmonberry can form dense thickets that compete with and shade out comfrey

Uses

Functions

Nutrient AccumulationBiomass ProductionLiving MulchSoil BuildingMedicinal Plant

Medicinal Uses

Wound HealingAnti-Inflammatory

Common Questions

What zones does Large-flowered comfrey grow in?

Large-flowered comfrey grows in USDA hardiness zones 4 through 8.

What are good companion plants for Large-flowered comfrey?

Good companions for Large-flowered comfrey include Powderblue Rabbiteye Blueberry, Bronze Loquat, Whitebark Raspberry, Water Hickory, Southern Shagbark Hickory.

Design guilds with Large-flowered comfrey and see companion relationships visually.

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