Overview
Phlox paniculata 'Blue Paradise' is a bushy herbaceous perennial in the genus Phlox, part of the Polemoniaceae family, with deciduous foliage. It typically grows around 1-1.5 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Phlox paniculata 'Blue Paradise' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. It is attractive to pollinators. Suggested uses include cottage and informal garden, city and courtyard gardens, prairie planting and wildlife gardens.
About
This upright perennial reaches a height of up to 1.2 meters, forming dense clumps adorned with lance-shaped, deep green foliage. From July to September, it produces rounded clusters of fragrant, dark-eyed violet-blue blooms.
About the genus
Phlox includes both evergreen and herbaceous varieties, which can grow as mat-forming or upright perennials and shrubs. The plants feature simple leaves and produce salver-shaped flowers that cluster at the ends of the stems.
Growing conditions
Best soil and position for Phlox
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, South-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
Phlox paniculata 'Blue Paradise' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 1-1.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, City and courtyard gardens, Prairie planting, Wildlife gardens
- Fragrance
- Flower
Care notes
Pruning and caring for Phlox paniculata 'Blue Paradise'
- Cultivation
- Grow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice
- Pruning
- Deadhead to prolong flowering then cut down to the base in late autumn
- Propagation
- Propagate by division in autumn or spring. Propagate by basal cuttings in spring or propagate by root cuttings in early autumn or winter
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to downy mildews and a leaf spot
Frequently asked questions
How do I grow Phlox paniculata 'Blue Paradise'?
Grow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice.
Where is the best place to plant Phlox paniculata 'Blue Paradise'?
Phlox paniculata 'Blue Paradise' prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Phlox paniculata 'Blue Paradise' need?
Phlox paniculata 'Blue Paradise' is adaptable and grows happily in most soil types, including chalk, clay and loam. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
How do I prune Phlox paniculata 'Blue Paradise'?
Deadhead to prolong flowering then cut down to the base in late autumn.
How big does Phlox paniculata 'Blue Paradise' grow?
Phlox paniculata 'Blue Paradise' reaches a height of 1-1.5 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.
Is Phlox paniculata 'Blue Paradise' hardy in the UK?
Phlox paniculata 'Blue Paradise' has a UK hardiness rating of H7.
How do I propagate Phlox paniculata 'Blue Paradise'?
Propagate by division in autumn or spring. Propagate by basal cuttings in spring or propagate by root cuttings in early autumn or winter.
Is Phlox paniculata 'Blue Paradise' good for pollinators?
Yes — Phlox paniculata 'Blue Paradise' attracts and supports pollinators such as bees and other beneficial insects.