Euphorbias are a varied genus of plants that are commonly used as drought tolerant garden plants. They are all deer resistant because they have a sticky white sap.
THE GROUNDCOVERS:
Euphorbia myrsinites
Euphorbia myrsinites showing pink bracts around maturing fruit in May.
Euphorbia rigida
Euphorbia ‘Blue Haze’
Euphorbia ‘Deans Hybrid’ Half of the flowers cut back.
Cypress Spurge (Euphorbia cyparissias) (not sure of spelling) This one is very invasive.
Euphorbia nicisiana (not sure of spelling) reseeds a little but it is not invasive.
SHRUBS:
Euphorbia characias wulfenii
This plant reseeds readily and can be a weed problem.
This is Euphorbia characias wulfenii seedlings that have grown on my neighbor’s property from seeds washed down the drainage ditch from my property. These plants grow with no maintenance and no water in the summer.
Euphorbia ‘Blackbird’
Euphorbia amygdaloides ‘Ruby Glow’
Euphorbia ‘Ascot Rainbow ‘
Euphorbia characias ‘Glacier Blue’
In the Garden Around the World 