Nerium oleander ‘Mathilde Ferrier’

Who would have guessed that one of the hardiest Oleanders would be a double flowering light yellow? Not me, but here she is and yes she is hardy in the city of Portland. Tall growing vigorous evergreen shrub to 8′ x 4′ in 5 years. In summer clusters of FRAGRANT  double soft yellow flowers are profuse and sincerely beautiful. It blooms off and on until September. Full hot sun in a protected location- against a south  or west facing wall is ideal. Injured by cold at about 13ºF and below but it recovers remarkably fast in spring when truly warm weather arrives and it will still bloom (blooms on new wood). It really is a pretty flowering shrub for a protected spot. The more heat it gets in summer the hardier to cold in the winter. Makes sense.

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Biome: ,  |  USDA Hardiness zone: Zn8a 15º to 10ºF
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Nerium oleander ‘Hardy Pink’

This is a relatively hardy selection of Oleander with profuse pale pink flowers at the end of summer. Not quite as cold hardy as ‘Hardy Red’- ‘Hardy Pink’ will show foliage damage at about 16ºF. Therefore, it should be placed in the most protected sites as possible. A south or west facing wall is ideal. Not recommended for gardens outside of the urban heat island – the city of Portland. To 5′ x 5′ and recovering quickly in spring if frozen over winter. Blooms from deep pink buds open to paler pink in August to September. High deer resistance. Thrives in the hottest sites possible. The more established the shrub the cold hardier it will be

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Biome: , ,  |  USDA Hardiness zone: Zn8b 20º to 15ºF
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Nerium oleander ‘Hardy Red’

Surprisingly hardy Oleander that is perfectly at home in warmer gardens. Upright then arching evergreen shrub to 5′ x 5′ in 6 years. In June to September a continuous supply of trusses of bright cherry red (hot pink) flowers. Very showy and welcome in summer. Foliage is hardy to approximately 12ºF and will be damaged below that. Recovery is very rapid and bloom will still commence. Prune before flowering if needed. Full, HOT sun in a protected location. Best against a south or west facing wall- out of subfreezing east wind. Light summer water when established. As our experiments have revealed this is a showy, hardy shrub. The hardiest  Oleander we’ve grown and the best flowering. Toxic. Not bothered by deer or rabbits.  Very showy in bloom. Thrives in the hottest locations – no problem.

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Plant type:  |  Sun exposure:
Biome: , ,  |  USDA Hardiness zone: Zn8a 15º to 10ºF
Foliage color:  |  Foliage season: