Phlox Surphlox Series
phlox Surphlox Series
An upright annual with small lance-shaped dark-green leaves and clusters of fragrant flowers in summer in colours including purple, scarlet, crimson, orange, pink, yellow, cream and bicoloured combinations. Has long branching, wiry stems, very suited as cut flowers
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White Red Purple Pink | Green | ||
|---|---|---|---|---|
| Summer | Purple Pink Orange Red | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Polemoniaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Phlox may be evergreen or herbaceous, mat-forming or erect perennials or shrubs, with simple leaves and salver-shaped flowers in terminal clusters
- Name status
Unresolved
How to grow
Cultivation
Grow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice
Propagation
Propagate by seed
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Low Maintenance
- Bedding
- Cut flowers
- Flower borders and beds
Pruning
Deadhead to promote continous flowering
Pests
May be susceptible to stem and bulb eelworm
Diseases
May be susceptible to Powdery mildews, grey moulds and leafy gall
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.