Starship Scarlet Lobelia

Lobelia speciosa 'PAS905521'

Eye-catching upright spires of long-lasting, butterfly-shaped flowers appear in early summer, continuing into mid-fall in most areas. Loved by birds and butterflies. Stunning color for a patio or border.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More
5-10: Perennial
Grow as Annual in all zones

Good to Grow: 7


Full sun, Partial sun

Water regularly to maintain evenly moist soil - weekly, or more often.


Find more stores near me >
Set Zip to See Prices
More Information
Botanical Pronunciationlow-BEE-lee-uh spee-see-OH-suh
Average Size at MaturityQuickly reaches 20 to 24 in. tall, 12 to 14 in. wide.
Bloom TimeSummer into Fall
Deciduous/ EvergreenHerbaceous
Flower AttributeFlowers for Cutting, Long Bloom Season, Showy Flowers
Flower ColorRed
Foliage ColorGreen
Garden StyleContemporary, Cottage, Rustic
Growth HabitColumnar, Upright
Growth RateFast
Landscape UseBorder, Container, Mass Planting, Very Wet Areas, Cutting Garden, Wildlife Garden, Urban Garden
Light NeedsFull sun, Partial sun
Special FeatureAttracts Butterflies, Attracts Hummingbirds, Easy Care, Tolerates Wet Soils, Fast Growing
Water NeedsHigh
Watering NeedsWater regularly to maintain evenly moist soil - weekly, or more often.
Companion PlantsSolomon's Seal (Polygonatum); Phlox (Phlox); Speedwell (Veronica); Lupine (Lupinus); Viola (Viola)

Easily grown in enriched, evenly moist, well-drained soils. Protect from harsh afternoon sun. Mulch to conserve moisture and protect root system. Cut back at end of bloom season. Prune away old, faded foliage before new leaves emerge. Fertilize when new growth appears in spring.

This Plant's Growing Zones: ALL

Your USDA Cold Hardiness Zone: 7

Grow As Annual in All Zones

Grow As Perennial in Zones: 5-10