PlantsOleanders→Oleander (Nerium oleander 'Red Cardinal')

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 6 feet to 12 feet, possibly to 15 feet
Plant Spread: 6 feet to 10 feet
Leaves: Evergreen
Flowers: Showy
Flower Color: Red
Bloom Size: 2"-3"
Flower Time: Spring
Late spring or early summer
Late summer or early fall
Other: Mainly in Summertime
Underground structures: Taproot
Suitable Locations: Street Tree
Uses: Windbreak or Hedge
Wildlife Attractant: Bees
Resistances: Birds
Deer Resistant
Rabbit Resistant
Humidity tolerant
Drought tolerant
Salt tolerant
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Other: Every part of this plant is poisonous
Propagation: Other methods: Cuttings: Stem
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Not suitable for containers

Bud of Oleander (Nerium oleander 'Red Cardinal')

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Posted by KFredenburg (Black Hills, SD - Zone 5a) on May 26, 2020 9:22 PM

The info on the database says that the bloom sizes of this plant is 2-3 inches, but mine almost always get under 2-3 inches. The zone we are in may have something to do with it.
There have only been around 10 blooms I've seen that have gotten that big (hence why I said "almost always").

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Plant Events from our members
piksihk On October 17, 2015 Plant Ended (Removed, Died, Discarded, etc)
KFredenburg On May 13, 2020 Bloomed
First blooms of 2020!
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Discussion Threads about this plant
Thread Title Last Reply Replies
Oleander Thread by KFredenburg Jun 1, 2020 12:07 PM 5
Bird Photos and Chat 2020 by wildflowers Jan 8, 2021 7:03 AM 3,098
Midwest Weather and everything else by kareoke May 10, 2021 6:45 PM 40,665

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