Delicate Pink Flowers
Produces soft pale pink to whitish flowers that add attractive summer color to herb gardens.
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Medicinal Marsh Mallow, scientifically known as Althaea officinalis, is a traditional perennial herb recognized for its soft, velvety leaves, pale pink flowers, and medicinal heritage. It is commonly grown in herb gardens, cottage gardens, and natural landscapes. This attractive plant grows well in moist, fertile soil and produces delicate flowers during summer.
Produces soft pale pink to whitish flowers that add attractive summer color to herb gardens.
Features soft, gray-green leaves with a distinctive velvety texture.
Historically cultivated for its roots, leaves, and traditional herbal uses.
Grows well in fertile, moisture-retentive soil and suitable sunny garden locations.
| Scientific Name | Althaea officinalis |
| Common Name | Medicinal Marsh Mallow; Marshmallow Plant |
| Plant Family | Malvaceae |
| Seed Type | Herb Seeds |
| Growth Habit | Upright perennial herb |
| Flower Color | Pale pink to whitish |
| Foliage | Soft, gray-green, velvety leaves |
| USDA Hardiness Zones | 3–9 |
| Planting Season | Spring or fall |
| Seed Starting | Start indoors or direct sow in prepared garden soil |
| Germination Time | Approximately 14–21 days under suitable conditions |
| Germination Temperature | 65–70°F |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Fertile, moist, well-drained soil |
| Watering | Regular watering to maintain consistent soil moisture |
| Blooming Season | Summer |
| Mature Plant Size | Approximately 3–5 feet tall |
| Plant Spacing | Approximately 18–24 inches |
Medicinal Marsh Mallow adds traditional herbal garden interest with its soft foliage, delicate flowers, and useful botanical heritage. Grow this perennial herb in fertile, moist soil to enjoy its attractive appearance and seasonal flowering.
Find helpful information about marshmallow seed germination, traditional uses, and growing requirements.
Soak Medicinal Marsh Mallow seeds in lukewarm water for several hours before sowing. Plant them approximately 1/8–1/4 inch deep in moist seed-starting soil. Maintain temperatures around 65–70°F and keep the growing medium consistently moist until seedlings emerge. Germination may take two to three weeks or longer.
The roots, leaves, and flowers of Althaea officinalis have traditional herbal uses. The roots are particularly well known for their mucilage content. Historically, different plant parts have been used in herbal preparations. Traditional use does not establish medical effectiveness or replace professional medical advice.
Medicinal Marsh Mallow generally flowers during summer after becoming established. Plants grown from seeds may need their first growing season to develop before flowering. Provide full sun, fertile soil, and consistent moisture to support healthy growth and flowering.