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Paeonia x suffruticosa 'High Noon' (Tree peony 'High Noon')

Other names: Paeonia x suffruticosa 'Hai Huang'

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Variety or Cultivar
'High Noon' is an upright, sparsely branched, deciduous shrub bearing deeply lobed, dark green leaves with elliptic to ovate leaflets. Large, fragrant, double, red-centred, yellow flowers bloom from late spring to early summer, often with a second bloom in autumn.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
1.5 m 1.5 m 10-20 years
4 ft 4 ft 10-20 years

Where to grow

Soil type
  • Chalky
  • Clay
  • Loamy
  • Sandy
Soil drainage
  • Moist but well-drained
  • Well-drained
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Partial Shade
  • Full Sun
Aspect
  • East
  • West
  • South
Exposure
  • Sheltered

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Additional plant details

Cultivation

Plant in moist, humus-rich, free-draining soil in full sun to partial shade.

Suggested uses

Beds and borders, Cottage/Informal, City, Low Maintenance

UK hardiness

H5

USDA zones

Zone 2, Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8

Sunset zone

2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Erect, Open stems

Native to

Garden origin

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic

Plant care

Pruning

Propagation methods

Semi-hardwood cuttings

Pests

Eelworms (leaf and bud)

Swift moth larvae

Diseases

Peony wilt

Deadhead peonies (optional)

Selective pruning only (only if needed)

Take semi-hardwood cuttings in late-summer

Plant in fertile, humus-rich, well-drained soils

Other plants

Plants in this Genus (0)

Paeonia

Companion plants (0)

Related content

Discuss Paeonia x suffruticosa 'High Noon' with other Shoot members

Re: Pruning

Shoot User
746 0
Hi Jane,

Tree peonies should be pruned in February if required (which it sounds as though yours does, as they like good air circulation). Take back to a new bud, and it should respond well.

To thin out older tree peonies, take one main stem a year down to a new bud about 30cm above ground level. This should improve the form and also give a renewed vigour to the tree.

Good luck! Hope this helps.

Katy
Posted: Friday 13th of August 2010 04:24 PM

Pruning

Shoot User
746 1
When is the best time to prune this bush? Mine is being squashed a bit by other shrubs and it needs a bit of cutting back. Someone once told me that you should never prune a tree peony. Is hat right?
Posted: Wednesday 11th of August 2010 07:22 PM Last reply: Friday 28th of February 2025 10:59 PM
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