Types Of Oleander Shrubs - Different Oleander Varieties For Gardens

How many types of oleander are there?

Currently, you can buy more than 50 different oleander plant types for your garden. One of the popular oleander plant types is the oleander cultivar 'Hardy Pink.

How do I identify oleanders?

General Description. Oleanders have long, narrow, dark green leaves that are typically four to six inches long and less than an inch wide. The showy flowers are either single or double and range from white through yellow, peach, salmon and pink to deep burgundy red. They flower from summer to fall.

Are all types of oleander poisonous?

The National Institute of Health reports that all parts of the oleander plant are toxic and can cause severe illness or death, including the leaves, flowers, twigs and stems. The plant is so poisonous that even drinking water from a vase holding a bloom can cause a severe reaction.

How far apart should you plant oleanders?

Oleander hedge spacing should be at least 4 feet apart. This plant's quick growth rate will fill in the gaps soon enough. While oleander is drought tolerant when established, water it regularly the first season. Oleander tends to grow in poor conditions where other plants struggle and requires very little fertilizer.

What can I plant next to Oleander?

Landscape uses for oleander tree

COMPANION PLANT SUGGESTIONS: Plant with other easy-care sun lovers that won't get tall enough to hide the tree's trunk: carissa, blueberry flax lily, dwarf ixora, African iris, variegated arboricola, lantana, sweet potato vine, and beach sunflower.

Do oleanders stay green all year?

Oleanders (Nerium oleander) are low-maintenance, drought-tolerant plants that bloom all summer and sometimes into fall. They are usually evergreen but can be damaged by temperatures of 20 degrees Fahrenheit and below and lose their leaves.

Is oleander poisonous to touch?

Simply touching an oleander plant can cause skin irritation, particularly if you come into contact with the plant sap. If you are cultivating an oleander, wear gloves when you prune the shrub, and wash your hands well afterward. ... Oleander is also extremely toxic to cats, dogs and horses.

Is it legal to grow oleander?

Oleander is extremely dangerous/toxic to horses as well as other animals. ...

Which part of oleander is poisonous?

The poisonous substances are found in all parts of the oleander plant: Flowers. Leaves. Stems.

How poisonous is oleander to dogs?

Found commonly in warm locations (e.g., along highways in Hawaii, California, Texas, etc.), all parts of this plant are poisonous to multiple species (e.g., dogs, cats, humans, horses, cattle, etc.). Oleander contains naturally-occurring poisons that affect the heart, specifically cardenolides or bufadienolides.

How much Oleander will kill a dog?

A dose of 0.25 milligram green (vs. dry) leaves per kilogram of body weight has been suggested as a lethal dose for dogs.

What is the most poisonous plant in the world?

This is what earns the castor oil plant its reputation as the world's most poisonous. After the laxative oil has been extracted the remaining residues of its mottled brown seeds contain a potent cocktail of toxins. Ricin kills by interfering in cell metabolism, the basic chemical processes needed to sustain life.

Do Oleanders like coffee grounds?

Coffee grounds can usually be used on plants that need more acidity but how to use them is important. ... Be sure to check the ph of your plants before adding coffee grounds. Oleanders like a pH-Value between 6 and 8.3 and a good fertilizer recommended is 15-30-15.

How do I make my oleander bushy?

What can I do to make a sturdier, bushy plant? ANSWER: Some nurseries wrap and tie the young stems around a stake until they are large enough to carry the weight of the bloom. Others prune the young stems back for one or two seasons to promote density. Prune after the plant blooms, or from June through July or August.

What is the best fertilizer for oleander?

Oleanders are high water users and love fertilizer. They do not like to be watered daily and do their best if the soil does not dry excessively between waterings. Use a complete fertilizer such as Peters or Miracle-Gro for flowering plants and water it into the soil about once every six to eight weeks.

Does Oleander kill other plants?

However, I couldn't find clear evidence that living oleander plants release any sort of chemical into the soil to kill or inhibit the growth of other plants around it. ... The author states that oleander is allelopathic and inhibits the growth other plants underneath it because it contains the compound called catechin.

How fast do oleander bushes grow?

Oleanders grow at a medium to rapid pace, producing 1 to 2 feet or more of growth per year. Established plants that have been damaged by cold will regrow very quickly from the base.

Why is oleander poisonous?

Oleander Poisoning

Oleander plants contain cardiac glycosides, which are highly toxic compounds. All their parts, including their twigs, stems, leaves, flowers, nectar, roots and even smoke from burning wood are noxious and cause a range of problems. ... Oleander plant poisoning requires immediate medical attention.

Should I cut back my oleander?

Ideally, the oleander (Nerium oleander) is pruned after blooming. All types — spring or free-bloomers - should be pruned by the end of August or early September to give any new growth sufficient time to harden off before winter. ... Little pruning is required to maintain this natural shape.

Is an oleander a perennial?

Hardiness Zones

Oleanders are not frost-tolerant. They are only reliably perennial in USDA plant hardiness zones 8-10. In cooler areas, they can be grown in containers and brought indoors for the winter.

How much Oleander is deadly?

It is interesting that oleander poisoning can be fatal with relatively small amounts ingested. Osterloh and associates calculated the lethal oleander leaf dose of their patient to be approximately 4 gm.