Order Now · Ships Spring 2026
Lobelia siphilitica (great lobelia)
Lobelia siphilitica (great lobelia)
Tall blue-purple native perennial for pollinators
📦 Shipping is charged at real carrier rates.We don’t mark up shipping—costs reflect distance from our nursery and careful plant packing.
🌱 6-plant minimum per order — mix & match any varieties
📦 Ships in a 2⅜” square x 3¾” deep band pot — well-rooted & ready to plant
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Great Lobelia adds reliable late-season color with a strong, upright presence. From a basal clump of green foliage, unbranched stems rise and finish in dense spikes of blue-purple flowers. It blooms in late summer, when many perennials are winding down.
Native to North America, this plant fits naturally into wild gardens, pollinator plantings, and informal borders. When conditions are right, it will lightly self-seed and fill in over time without becoming aggressive. Bees and butterflies regularly visit the flowers, and the vertical form adds height without overwhelming nearby plants.
Great Lobelia works especially well along paths, in mixed borders, or in meadow-style plantings where its structure can stand out.
WHY GARDENERS LOVE IT
- Tall blue-purple flower spikes
- Reliable late-season bloom
- Native North American perennial
- Attracts bees and butterflies
- Light, manageable self-seeding
- Natural fit for informal and wild gardens
HOW IT GROWS
- Plant type: Herbaceous perennial
- Sun: Full sun to light shade
- Soil: Average to moist, well-drained soil
- Water: Moderate; prefers consistent moisture
- Hardiness: USDA Zones 4–8
- Growth habit: Upright, clumping, lightly self-seeding
SIZE & BLOOM
- Height × Width: ~3 ft. × 2 ft.
- Flower color: Blue-purple
- Bloom time: Late summer
- Wildlife value: Bees and butterflies
PLANTING TIPS
- Plant in full sun or part shade
- Water regularly during the first growing season
- Mulch lightly to retain soil moisture
- Allow space for natural spreading over time
CARE MADE EASY
- Deadhead for a tidier appearance, if desired
- Leave some flower heads to encourage self-seeding
- Cut back in fall or early spring
- Divide every few years if plants become crowded
BEST USES
- Wild and natural gardens
- Pollinator gardens
- Meadow plantings
- Mixed borders
- Native plant gardens
HOW TO KNOW IT’S RIGHT FOR YOU
Choose Great Lobelia if you:
- Appreciate blue-toned flowers
- Garden with pollinators in mind
- Prefer natural or informal plantings
- Want dependable color late in the season
POT SIZE: 2⅜” square x 3¾” deep band pot
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What to Expect With Your Plants
What size plants will I receive?
Most plants ship in 2 3/8” x 3 3/4” band pots—ideal for healthy root growth.
Top growth varies by variety and season, but every plant arrives well-rooted, actively growing, and ready to plant.
Grown naturally without artificial heat or lights, our plants are hardy, adaptable, and ready to thrive in real garden conditions.
When will my plants ship?
We schedule plant orders based on your area’s average last frost date and when each plant is truly ready to ship. You’ll receive an email with your estimated ship date once your order is scheduled.
Orders ship Monday–Wednesday via UPS or USPS (2–3 day service), so your plants arrive before the weekend and spend less time in transit. Shipping begins in spring—usually mid-April—when weather and plant health align, so your plants arrive strong, well-rooted, and ready to thrive.
Do you guarantee your plants?
We stand behind our plants and our packing process. While we can't control weather or how plants are cared for after arrival, we do guarantee that your plants will arrive healthy and in good condition. If there's an issue, just reach out and we're happy to help.
Are your plants inspected for plant health and disease?
Yes. Our nursery is inspected at least twice each year by the Oregon Department of Agriculture and meets state plant health and disease standards.
Why does shipping cost what it does for live plants?
Shipping live plants requires careful packaging, seasonal timing, and fast transit to ensure they arrive healthy.
Our shipping rates are calculated in real time based on box size, weight, and destination, and we always select the best available option for safe, timely delivery.
We never inflate shipping costs — you pay what it costs us to ship your order safely.
Have more questions?
We want you to feel good about your plant order. Find answers about shipping, sizing, care, and guarantees in our full FAQ.