Beginner
skill rating
Online Garden Tools
Useful videos
Lobelia spicata (Pale spike)
1 hour care
per year
per year
1m
Max height
Max height
0.3m
Max spread
Max spread
1-2 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Lobelia spicata
Other names
Pale spike, Pale-spiked lobelia, Pale-spike lobelia, Pale spiked lobelia
Genus
Lobelia Lobelia
Species
L. spicata - L. spicata is a rosette-forming, often short-lived perennial with narrowly ovate to lance-shaped, toothed or smooth, light green leaves and a spike-like cluster of two-lipped, lobed, white to pale blue flowers from summer into autumn.
Lobelia spicata is: Deciduous
Habit
Erect flower stem, Rosette
Toxicity
All parts toxic if ingested.
Flower
White, Pale-blue in Summer; White, Pale-blue in Autumn
Foliage
Light green in Spring; Light green in Summer; Light green in Autumn
How to care
Watch out for
Specific pests
Slugs Slugs
General care
Propagation methods
Division, Seed
Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions
Where to grow
Lobelia spicata (Pale spike) will reach a height of 1m and a spread of 0.3m after 1-2 years.
Suggested uses
Beds and borders, Cottage/Informal, Meadow, Prairie planting, Wildflower, Woodland
Cultivation
Best grown in well-drained soil in full sun or partial shade. Tolerates a wide range of conditions except waterlogged.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Lobelia spicata
Other names
Pale spike, Pale-spiked lobelia, Pale-spike lobelia, Pale spiked lobelia
Genus
Lobelia Lobelia
Species
L. spicata - L. spicata is a rosette-forming, often short-lived perennial with narrowly ovate to lance-shaped, toothed or smooth, light green leaves and a spike-like cluster of two-lipped, lobed, white to pale blue flowers from summer into autumn.
Native to
Canada, Eastern United States
Foliage
Deciduous
Habit
Erect flower stem, Rosette
Toxicity
All parts toxic if ingested.
Create your free Shoot garden
Create your free SHOOT garden and make a record of the plants in your garden.
Add your own photos, notes, get monthly email reminders on how to care for your plants, and connect with other gardeners. Get started now.
Colour
Flower
White, Pale-blue in Summer; White, Pale-blue in Autumn
Foliage
Light green in Spring; Light green in Summer; Light green in Autumn
How to care
Watch out for
Specific pests
General care
Propagation methods
Division, Seed
Monthly care advice
Get access to monthly care advice
Create a free SHOOT account and get instant access to expert care advice for this and other plants in your garden.
You'll also receive handy monthly email reminders of what needs doing. Create your free account.
Where to grow
Lobelia spicata (Pale spike) will reach a height of 1m and a spread of 0.3m after 1-2 years.
Suggested uses
Beds and borders, Cottage/Informal, Meadow, Prairie planting, Wildflower, Woodland
Cultivation
Best grown in well-drained soil in full sun or partial shade. Tolerates a wide range of conditions except waterlogged.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
Report content or feedback to Shoot
To add ? to your lists,
login to your account or subscribe.
Find out more about plant lists here
or Login
To add notes for this plant login to your account or register for a new account.
Sign up for freeor Login
To add images for this plant login to your account or register for a new account.
Sign up for freeor Login
To check if this plant is suitable for your garden first login to your account or subscribe.
or Login