Althaea officinalis - Marshmallow

🌿 Characteristics

Type: Ephemeral perennial
Common name: Marshmallow
Scientific name: Althaea officinalis
Flower color: Pale pink to creamy white
Mature height: 1–1.5 m
Mature spread: 0.6–0.9 m
Habit: Herbaceous, upright
Bloom period: Summer to early autumn
Exposure: Full sun to partial shade
Watering needs: Moderate to regular
Soil type: Moist, well-drained, fertile
Hardiness zone: Zone 3 to 9
Drought tolerance: Moderate
Nectar-producing plant: Yes
Attracts pollinators: Yes
Toxicity to animals: Non-toxic

✂️ Maintenance

Easy to grow, common marshmallow thrives in moist, well-drained soil. This perennial plant appreciates sunny exposure and adapts well to natural garden conditions. Keep the soil slightly moist, especially during active growth.

Remove spent flowers to encourage prolonged blooming and continuous production of delicate pink flowers. Prune stems in late autumn or early spring to maintain a balanced shape and promote vigorous growth.

Ideal for medicinal plant gardens, moist beds, and natural areas, this robust plant attracts pollinators and beneficial insects while offering appreciated traditional properties.