In warm southern climates, blooms usually occur in winter and spring. When grown in tropical or sub-tropical conditions, blooms occur throughout the year, but especially in Spring and Summer. Flowers: Flower Color: Gold/Yellow Green Red/Burgundy Flower Inflorescence: Cyme Insignificant Flower Value To Gardener: Long-lasting Showy Flower Bloom Time: Fall Spring Summer Winter Flower Shape: Cup Flower Petals: Bracts Flower Size: 1-3 inches Flower Description: Flower bloom time depends on the plant location.Cultural Conditions: Light: Full sun (6 or more hours of direct sunlight a day) Soil Texture: Sand Shallow Rocky Soil Drainage: Good Drainage Occasionally Dry Available Space To Plant: 3 feet-6 feet USDA Plant Hardiness Zone: 9a, 9b, 10a, 10b, 11a, 11b.Whole Plant Traits: Plant Type: Poisonous Shrub Woody Plant Leaf Characteristics: Broadleaf Evergreen Habit/Form: Dense Multi-stemmed Maintenance: Medium Texture: Coarse Appendage: Spines.Edibility: Toxic Dimensions: Height: 3 ft. Attributes: Genus: Euphorbia Species: milii Family: Euphorbiaceae Life Cycle: Woody Recommended Propagation Strategy: Stem Cutting Country Or Region Of Origin: Madagascar Particularly Resistant To (Insects/Diseases/Other Problems): Resistant to rabbits and deer.Tags: #evergreen #poisonous #full sun tolerant #houseplant #cpp #well-drained soil #flowering shrub #spines #fantz #container plant Variegated white and green leaves with a pink tinge Profile Video: See this plant in the following landscape: Cultivars / Varieties: VIDEO Created by Elisabeth Meyer for " Houseplants, Succulents, and Cacti", a plant identification course offered in partnership with Longwood Gardens. Potential insect pests include scale, mealybug, thrips. As with most indoor plants, potential disease pests include leaf spots, stem and root rots and botrytis blight. You can propagate the plant from cuttings, but let sap dry before placing the cutting in a growing medium.ĭiseases, Insects, and Other Plant Problems: The plant is often used as a specimen plant for interiors with high light or as annual outdoor plant.Ĭrown of Thorns prefers bright light, dry soil and low relative humidity. The long spines are dangerous to inattentive gardeners, children and pets. The flowers will bloom throughout the year. Cyclical leaf drop is normal, but messy and preceeds the plant's resting season (usually winter). Sticky, showy, paired-bract flowers on gray stems with long spines identify this plant. You can propagate the plant from tip cuttings however, because the resulting white latex sap causes a mild poisonous reaction when in contact with skin or eyes, wear gloves when working with this plant. If grown outside in hot summer climates, provide the plant with midday shade and moderate moisture for better flower bloom. It is an easy to grow indoor plant where it prefers a sunny location in soil-based potting mix. Because it does not like wet, cold soils or temperatures below 35 degrees F. In its country of origin (Madagascar) the plant will grow to 5 or 6 feet tall however, in the United States, it typically grows to 3 feet, or 2 feet when grown as a houseplant.Ĭrown of Thorns grows best in dry to medium moisture, well-drained soils in full sun. The plant is loose in form, spiny and irregularly shaped, with thick, black spines and its historic presence in the Middle East led to the belief by some that the stems of this plant had been used in Christ's crown of thorns, hence the common name. The flowers are enclosed within long-lasting and bright bracts of red or yellow. See below DescriptionĬrown of Thorns is a deciduous, herbaceous, perennial shrub with bright green leaves and greenish flowers. Scale insects and mealybugs are the most frequently seen together with spider mites and thrips as an occasional problem.ĭiseases will be prevented by not growing the plants in situations where the soil or leaves remain wet.Phonetic Spelling yoo-FOR-bee-ah MIL-ee-eye This plant has low severity poison characteristics. One other characteristic is the toxic latex sap which is in all the plant and that we can see when a branch is broken. We can use them for seaside areas and are drought tolerant, although they will loose the leaves. So, trimming is not recommended until the second or third year after being planted, and mainly in spring.įor a good maintenance we will get rid of the wilted leaves and flowers, to keep them in good shape and to supply a good air circulation. They are slow growing, and normally do not get higher than 1.00mtr. They will bloom all the year, if we place them in a sunny place, and with moderated irrigation. The Euphorbia milli or crown of thorns is a succulent on the euphorbiaciaes family, peculiar for its brown erected branches full of thorns and for its flowers.
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