How to Grow Great Blue Lobelia
Lobelia siphilitica
Your complete guide to growing Great Blue Lobelia.
📷 Wikimedia CommonsWhen to Plant Great Blue Lobelia
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Companion Plants for Great Blue Lobelia
✓ Good companions
Both prefer moist soils and create stunning red-blue color combinations while attracting hummingbird…
Provides natural windbreak and attracts beneficial insects while tolerating wet conditions
Create ideal understory conditions with consistent moisture and partial shade
Thrives in similar wet conditions and attracts butterflies while providing structural support
Extends blooming season into fall and provides habitat for beneficial insects
Shares preference for moist soils and supports monarch butterflies and other pollinators
Shares similar moisture requirements and attracts beneficial pollinators like bees and butterflies
Provides ground cover and retains soil moisture that Great Blue Lobelia requires
✗ Keep away from
Aggressive invasive shrub that outcompetes native plants for nutrients and space
Releases juglone toxin that inhibits growth and can kill sensitive plants like lobelia
Invasive wetland plant that aggressively displaces native species in moist habitats
