Rhododendron Horizon Monarch AGM
- Code: HHORIZM
- Flower Colour: Yellow
- Flowering Month: May
- Height After 10 Years: 150-175cm
- Interesting Foliage: No
- Scent: Not Scented
- Hardiness: To -15 °C
This is another of our favourites - lovely red buds open to large pale yellow flowers with pink tones and a small vivid red flare. Flowering in May this is an exceptional hybrid with a strong growing habit, it is dense and compact and has fabulous deep green foliage. Height 150-180cm in 10 years.
As with all yellow Rhododendrons, this plant does need good drainage (but not dry conditions!).
- Recommended for: stunning yellow flowers.
- Plantsman range.
- Ideal position: Dappled shade, needs careful site selection.
- Habit: Dense.
- Group: Hybrid Rhododendron.
- Parentage: 'Nancy Evans' X 'Point Defiance'.
- Hybridization date: pre 2000 (1981).
- Bred by: E. C. Brockenbrough. Origin: American.
- Ideal soil: pH 4.5 to 6.
- RHS Hardiness Rating: H3-4.
- How we usually propagate this plant: Graft.
- Awards: RHS Award of Garden Merit.
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