Intermediate
skill rating
Online Garden Tools
Useful videos
Senna artemisioides (Silver cassia)
1 hour care
per year
per year
2m
Max height
Max height
1m
Max spread
Max spread
10-20 years
To maturity
To maturity
Plant details
Botanical name
Senna artemisioides
Other names
Silver cassia, Wormwood senna, Feathery cassia, Cassia artemisioides
Genus
Senna Senna
Species
S. artemisioides - S. artemisioides is a tender, erect to spreading, evergreen shrub with pinnate leaves divided into short, linear, downy, grey-green leaflets and racemes of fragrant, pea-like, yellow flowers blooming sporadically throughout the year. Flowers are followed by flat, glossy, green seed pods ripening reddish-brown.
Senna artemisioides is: Evergreen
Habit
Erect, Spreading
Awards
RHS AGM (Award of Garden Merit)
Flower
Yellow in All seasons
Foliage
Grey-green in All seasons
How to care
Watch out for
Diseases
Generally disease-free.
General care
Pruning
Pruning group 1. May need restrictive pruning if grown under glass.
Propagation
Sow seed at 18-24C (64-75F) in spring.
Propagation methods
Semi-ripe cuttings, Seed
Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions
Where to grow
Senna artemisioides (Silver cassia) will reach a height of 2m and a spread of 1m after 10-20 years.
Suggested uses
Mediterranean, Drought Tolerant, Cottage/Informal, Containers, City, Beds and borders, Wallside and trellises
Cultivation
Under glass, grow in loam-based compost in full light & moderately humidity. In growth, water moderately & feed monthly. Water sparingly in winter. Top dress or pot on in spring. Outdoors in mild, frost-free climates, grow in moderately fertile, moist but well-drained soil in sun. Tolerates prolonged drought but looks better with moderate to regular water. Tends to drop older leaves in winter or drought.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Senna artemisioides
Other names
Silver cassia, Wormwood senna, Feathery cassia, Cassia artemisioides
Genus
Senna Senna
Species
S. artemisioides - S. artemisioides is a tender, erect to spreading, evergreen shrub with pinnate leaves divided into short, linear, downy, grey-green leaflets and racemes of fragrant, pea-like, yellow flowers blooming sporadically throughout the year. Flowers are followed by flat, glossy, green seed pods ripening reddish-brown.
Native to
Australia
Foliage
Evergreen
Habit
Erect, Spreading
Awards
RHS AGM (Award of Garden Merit)
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
Yellow in All seasons
Foliage
Grey-green in All seasons
How to care
Watch out for
Diseases
Generally disease-free.
General care
Pruning
Pruning group 1. May need restrictive pruning if grown under glass.
Propagation
Sow seed at 18-24C (64-75F) in spring.
Propagation methods
Semi-ripe cuttings, 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
Senna artemisioides (Silver cassia) will reach a height of 2m and a spread of 1m after 10-20 years.
Suggested uses
Mediterranean, Drought Tolerant, Cottage/Informal, Containers, City, Beds and borders, Wallside and trellises
Cultivation
Under glass, grow in loam-based compost in full light & moderately humidity. In growth, water moderately & feed monthly. Water sparingly in winter. Top dress or pot on in spring. Outdoors in mild, frost-free climates, grow in moderately fertile, moist but well-drained soil in sun. Tolerates prolonged drought but looks better with moderate to regular water. Tends to drop older leaves in winter or drought.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
USDA zones
Zone 12, Zone 11, Zone 10, Zone 9, Zone 8
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, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, East | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Tender in frost (H3) | 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