The Story
Plant Bio
Phlox paniculata 'Blue' is a herbaceous perennial known for its vibrant blue flowers and strong upright stems.
This cultivar is particularly noted for its striking color, which is less common among Phlox paniculata.
Uses & Benefits:
Phlox paniculata 'Blue' provides vibrant, fragrant flowers that attract pollinators and add color to perennial beds.
Its dense foliage can serve as a natural ground cover, suppressing weeds.
Supports bees, butterflies, and hummingbirds, enhancing garden biodiversity.
Essentials
At a Glance
Plant Type
Perennial
Height
36"
Width
24"
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
Bloom period
Mid-summer – Late summer
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In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into well-drained soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity and promote root growth.
- Transplant seedlings after the last frost, spacing 18-24 inches apart.
- Water deeply once a week during dry spells to encourage healthy growth.
- Apply a balanced fertilizer in early spring and mid-summer for vibrant blooms.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Choose a sunny spot with well-draining soil for lush, abundant flowers.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Prune after flowering to encourage bushy growth
- Fertilize in early spring with a balanced fertilizer
- Mulch to conserve moisture and control weeds
Don't
- Avoid overwatering which can cause root rot ❌
- Don’t prune in late fall, wait until after blooming
- Refrain from planting in heavy, poorly-draining soil
- Avoid fertilizing late in the season to prevent weak growth
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Colorful border with fragrant flowersPerennial garden centerpieceWildflower meadow accent
Companion Plants
Multiply
Propagation Methods
Good to Know