Immunity Boost Trio

Immunity Boost Trio

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Elderberry, Florida Native (Sambucus canadensis)
Self Heal Herb (Prunella vulgaris)
Marshmallow (Althaea officinalis)

Healing Garden Trio with Soothing Wild Blooms

Create a layered, wellness-focused garden with three traditional herbs chosen for their complementary immune-supporting properties. Each plant contributes to a thriving, functional, and visually appealing herbal space.

Self Heal Herb
A low-growing perennial, reaching 6–12 inches tall, perfect as a groundcover. Known for its traditional immune-supporting properties, self heal has been used to help the body recover and strengthen natural defenses. Its purple flowers also attract pollinators while creating a soft carpet beneath taller plants.

Marshmallow Root
A mid-height plant growing 2–3 feet tall. Marshmallow root is prized for its soothing qualities, supporting respiratory and digestive health while helping the body manage seasonal stresses. Its lush foliage and soft blooms form a natural middle layer, bridging low-growing herbs and taller shrubs.

Elderberry
A fast-growing shrub that can reach 6–8 feet tall. Elderberry is rich in antioxidants and widely recognized for helping reduce the severity and duration of colds and flu. Its flowers and berries provide immune support while adding structure and visual interest to the top layer of your garden.

Layering Tips
Arrange the garden in three tiers for maximum visual and functional impact:

  1. Ground Layer: Self Heal Herb spreads to form a living carpet.

  2. Mid Layer: Marshmallow Root adds height, texture, and soothing herbal support.

  3. Top Layer: Elderberry provides structure, berries, flowers, and strong immune benefits.

Together, these three plants create a dynamic, multi-tiered immunity garden that supports wellness, attracts pollinators, and provides beauty and function throughout the growing season.

Attribute Details
Botanical Name Sambucus canadensis
Common Names American Elderberry, Common Elderberry
Family Adoxaceae
Origin Eastern and Central North America
Plant Type Shrub
Life Cycle Perennial
Mature Size 5–12 ft tall × 6–10 ft wide
Light Full sun to partial shade
Water Needs Moderate to high; prefers consistent moisture
Soil Moist, well-draining soil; tolerant of clay and loam
Bloom Time Late spring to early summer
Flower Color Creamy white
USDA Zones 4–9
Florida Native Yes
Propagation Cuttings, seeds
Seasonal Traits Deciduous
Time to Harvest Berries mature late summer; typically fruits 2–3 years after planting
Scientific Name Althaea officinalis
Common Names Marshmallow, Marsh Mallow, White Mallow
Family Malvaceae (Mallow Family)
Origin Europe and Western Asia
Plant Type Medicinal Herb / Flowering Perennial
Life Cycle Perennial
Food Forest Layer Herb / Groundcover Layer
Mature Size 3–5 ft tall and wide
Light Full Sun to Part Shade
Water Needs Moderate to High; prefers moist soil
Harvest Season Summer to Fall (roots harvested in fall)
Time to Harvest 1 year+ for roots; leaves/flowers earlier
Self-Fertile Yes
Growth Rate Moderate
Zones USDA Zones 4–9
Florida Native No
Propagation Seeds, Cuttings, Division
Seasonal Characteristics Deciduous in winter; blooms in summer

Plant Type: 
Perennial/Annual Evergreen Herb

Harvest Season: 
Year-round

Leaves can be harvested year-round with blooms Summer-Fall.

Mature Size: 
Up to 2 ft. 

Soil & Moisture: 
Rich, moist, well-draining soil with regular watering. 

Light Requirements: 
Full Sun, Part Shade 

Self-Fertile:
Yes 

Growth Rate:
Fast, Medium

Zone Hardiness
Outdoors 4-11 with frost protection; Patio/Greenhouse 4+
Perennial in Zones 4-9; Annual in Zones 9-11. 

Propagation
Our Self-Heal Herb is grown from seed and capable to harvest within the growing season.

All of our plants ship in plantable coconut coir pots or recyclable nursery pots! Just pop them in the ground or reuse and recycle. Want to learn more about our plant sizes and how to grow them? 👉 Checkout the Full Guide Here

Wondering about your USDA Growing Zone and what you can grow? 🌎🌿 Learn how to find your Zone and grow tropical plants anywhere—Florida to Alaska! 👉 Read the full blog here!

We ship every plant plastic-free and planet-friendly—using compostable packaging, recyclable pots, and carbon-conscious shipping from start to finish. 🌎🌱👉 Our Commitment to Packaging & Shipping Sustainability


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