Description
Obedient Plant for Sale — Native Lavender Blooms for Pond Margins and Bog Gardens
Looking for Obedient Plant for sale? Physostegia leptophylla — commonly known as Marsh Obedient Plant or Slenderleaf False Dragonhead — is one of the most rewarding native perennials available for wet garden settings. Its tall, upright stems rise to 3 feet, lined with lance-shaped blue-green leaves and topped with stunning spikes of tubular lavender flowers that bloom from late spring through summer. It’s showy, it’s wildlife-friendly, and it thrives where many ornamentals struggle.
Why Gardeners Choose Obedient Plant
Obedient Plant earns its place in the water garden through a combination of bold seasonal color, pollinator value, and genuine low-maintenance performance. It’s native to the marshlands of Eastern North America — meaning it’s perfectly adapted to the wet, challenging conditions where it will be planted.
- Tall lavender flower spikes bloom late spring through summer — long seasonal color window
- Attracts hummingbirds, bumblebees, and butterflies — exceptional pollinator value
- Deer resistant — foliar oil cells deter grazing without toxic compounds
- Native to Eastern North America — supports local ecosystems and wildlife
- Thrives in pond margins, bog gardens, and moist wildflower plantings
- Long-lived perennial — reliably returns year after year from its rhizome root system
Growing Obedient Plant — Care at a Glance
Light
Obedient Plant performs best in full sun to part shade. In too much shade, stems may flop — full sun produces the strongest, most upright growth and the best flower production. Aim for at least 4–6 hours of direct sun daily.
Water & Soil
This is a true marginal plant — it wants consistently wet to moist conditions. Plant it at pond edges, in bog gardens, or in any landscape spot where the soil stays reliably damp. It tolerates standing water at its base and grows well in fertile, loamy, slightly acidic soil. The richer the soil, the better the performance.
Hardiness & Overwintering
Obedient Plant is hardy in USDA Zones 5–11. It is winter dormant — foliage dies back in fall and the plant returns reliably from its rhizome root system each spring. In Zone 5, a light mulch layer over the crown through winter provides added protection.
Spread & Maintenance
Like many members of the mint family, Obedient Plant spreads by shallow underground rhizomes and can self-seed. In a natural pond or bog setting it will gradually expand — a desirable trait for naturalizing. In a managed water garden, plant in a container to control spread. Dividing established clumps every 2–3 years keeps plants vigorous. To prevent self-seeding, deadhead spent flower spikes before they set seed.
The Name Explained
The common name “Obedient Plant” comes from a quirky floral trait — individual flowers can be bent to face a new direction and will hold their position instead of snapping back. It’s a fun characteristic that makes it a conversation piece in any garden. Its alternate name, “False Dragonhead,” reflects its resemblance to the European Dracocephalum genus.
A Rare Native Worth Growing
Physostegia leptophylla is not a common nursery plant. It is listed as a threatened species under Florida’s Preservation of Native Flora Act, with declining wild populations due to wetland loss and habitat conversion. Growing it in cultivated settings supports conservation awareness and brings a genuinely uncommon native into gardens where it can thrive. This is not a plant you’ll find at every garden center.
Nursery-Grown at Quinn’s Fins
Every Obedient Plant we ship is grown right here in our on-site nursery greenhouse — not drop-shipped or bulk-sourced. Your plant arrives in a 2″ pot, rooted and healthy, ready for a smooth transition into your pond margin, bog garden, or moist landscape planting. We grow what we sell.
Obedient Plant Details
| Botanical Name | Physostegia leptophylla |
| Common Names | Obedient Plant, Marsh Obedient Plant, Slenderleaf False Dragonhead |
| USDA Hardiness Zones | 5–11 |
| Mature Height | Up to 36″ |
| Flower Color | Lavender / pale pink |
| Bloom Time | Late spring through summer |
| Pot Size | 2″ |
| Light | Full sun to part shade |
| Water | Moist to wet; pond margins and bog gardens |
| Soil | Fertile, loamy, slightly acidic; tolerates wet conditions |
| Wildlife Value | Hummingbirds, bumblebees, butterflies |
| Deer Resistant | Yes |
| Native Range | Eastern North America |
| Life Cycle | Hardy perennial (winter dormant) |
| SKU | 6072 |
For more on native marginal plants for water gardens, visit the Pond Informer’s Physostegia leptophylla guide or browse our full selection of pond and marginal plants at Quinn’s Fins.





