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About This PlantOleanders bloom from summer to fall, with fragrant flowers in shades of apricot, copper, pink, lilac, red, purple, salmon, yellow, and white, depending on variety. The plants are best adapted to the west coast, southern states, Florida, and Texas and will withstand dry conditions and wind, as well as salty, marshy soils, making them popular in coastal regions. Oleanders grow 6 to 12 feet tall and wide, and some varieties can be trained to grow into small trees up to 20 feet tall. The flowers are very fragrant. All parts of plant are poisonous to humans and animals if ingested; the plant's sap can cause skin irritation in some individuals.
Site SelectionIdeally, select a site with full sun to light shade and well-drained soil. However, oleanders are adaptable and will withstand dry conditions as well as marshy soils.
Planting InstructionsPlant in spring or fall. Space plants 6 to 12 feet apart, depending on variety. Dig a hole only as deep as the root ball and 2 to 3 times as wide. If your soil is in very poor condition, amend the soil you've removed from the hole with a small amount of compost. Otherwise don't amend it at all. Carefully remove the plant from the container and set it in the hole. Fill the hole half full with soil, then water it well to settle the soil and eliminate air pockets. Let the water drain, then fill the remainder of hole with soil and water thoroughly.
CareApply a layer of compost under the plant each spring, spreading it out to the dripline (the area under the outermost branches). Add a 2-inch layer of mulch to retain moisture and control weeds. Water plants during the summer if rainfall is less than 1 inch per week. Prune oleander after the main bloom period to encourage bushier growth and more flowers, and to reduce the size of the shrub.