Annual – Crown of Thorns
Crown of thorns
Botanical name: euphorbia mill
Beginner friendly?: moderate
Average size at maturity: up to about 3-4 ft in height and in width
Hardy zone: zones 9-11
Foliage color: green
Flower color: pink, red, white, yellow
Bloom time: spring, summer
Growth rate: can reach fully mature size in first growing season
Pruning instructions: deadhead withered blooms and foliage as needed
Propagation methods: propagate by seed sowing
Landscape use: flower garden, container plant, porch plant accent, houseplant
Special features: drought tolerant, disease resistant, re-bloomer, long-lasting blooms, considered a tender perennial in zone 8 climates
Light needs: 6+ hours of sun per day
Watering instructions: allow the soil to mostly dry out between watering sessions
Fertilizing instructions : use a cactus and succulent plant food fertilizer at the time of planting
Best time to plant: spring
Best type of soil: sand, loam
Companion plants: lantana, agave, lavender, echeveria, bulbine
Toxicity level: toxic for humans and pets if ingestedÂ
Invasive species: no
