Overview
Mimulus 'Highland Yellow' is a upright, clump-forming, spreading herbaceous perennial in the genus Mimulus, part of the Phrymaceae family, with deciduous foliage. Mimulus 'Highland Yellow' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include bog gardens, pond margins, cottage gardens and informal gardens.
About
Mimulus 'Highland Yellow' is a deciduous cultivar of the Mimulus genus, which includes annuals, perennials, and evergreen shrubs known for their paired leaves and tubular or trumpet-shaped flowers. This upright, clump-forming, and spreading plant thrives in fertile, well-drained soil with full sun or partial shade, ideally in sheltered, south-, east-, or west-facing aspects. Suitable for bog gardens, pond margins, cottage gardens, and informal gardens, it prefers moist to very moist soils of various types and pH levels. It is hardy to UK zone H4 and is of interest during spring and summer.
About the genus
Mimulus, also known as monkeyflowers, is a plant genus in the family Phrymaceae, which was traditionally placed in family Scrophulariaceae. The genus now contains only seven species, two native to eastern North America and the other five native to Asia, Australia, Africa, or Madagascar.
Growing conditions
Best soil and position for Mimulus
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam, Sand, Clay, Chalk
- Soil pH
- Acid, Neutral, Alkaline
- Soil moisture
- Moist, Very moist
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Mimulus 'Highland Yellow' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Upright, Clump-forming, Spreading
- Foliage
- Deciduous
- Suggested uses
- Bog gardens, Pond margins, Cottage gardens, Informal gardens
Care notes
Pruning and caring for Mimulus 'Highland Yellow'
- Propagation
- Seed, Division
- Pest resistance
- Susceptible to slugs and snails
- Disease resistance
- Susceptible to powdery mildew
Frequently asked questions
Where is the best place to plant Mimulus 'Highland Yellow'?
Mimulus 'Highland Yellow' prefers full sun and partial shade. It suits sheltered positions.
What soil does Mimulus 'Highland Yellow' need?
Mimulus 'Highland Yellow' is adaptable and grows happily in most soil types, including loam, sand, clay and chalk. It is happy in soil of any pH. Aim for soil that stays moist to very moist.
Is Mimulus 'Highland Yellow' hardy in the UK?
Mimulus 'Highland Yellow' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Mimulus 'Highland Yellow'?
Seed, Division.
More in the Mimulus genus
- Mimulus cardinalis 'Red Dragon'
- Mimulus cupreuscopper-coloured monkey flower
- Mimulus eastwoodiae
- Mimulus longiflorussalmon bush monkey flower
- Mimulus luteus 'Queen's Prize'
- Mimulus repenscreeping monkey flower
- Mimulus x burnetiicoppery monkey flower
- Mimulus 'Big Boy Orange'