Storm Cloud Agapanthus
Best low-maintenance perennial for gardeners seeking year-round color and cut flowers.
The Storm Cloud Agapanthus is an herbaceous evergreen perennial that brings dramatic beauty to any garden. Its luxurious green foliage transforms with reddish-purple tones in winter, offering year-round interest. From early to mid-summer, it produces striking violet-blue, trumpet-shaped flowers on tall stems, perfect for cutting. This plant grows to about 15 inches tall, reaching up to 4 feet with blooms, and spreads 3 feet wide. It thrives in full sun to shade and prefers average to moist soil, making it a versatile choice for accent planting, massing, or containers.
$14.99
Owner Satisfaction
4.7
/ 5
Category Rank
61
/ 2671
#61 in Plants
Price vs Category Average
-66%
Below average
Mature Height
4
/ feet (with flowers)
Who it's for
- Gardeners seeking a bold, high-impact focal point
- Landscapers wanting consistent color throughout the summer
- Water-conscious homeowners needing low-maintenance, year-round greenery
Who should skip it
- Gardeners living in regions with freezing winter temperatures
- Families with curious pets or small children
- Owners of small garden beds or limited container space
Performance breakdown
Visual Impact
Striking violet-blue blooms create a dramatic focal point in any landscape.
Maintenance Ease
A low-effort perennial that thrives with minimal ongoing care.
Seasonal Versatility
Evergreen foliage and winter color shifts provide year-round garden interest.
Pollinator Appeal
Reliably draws bees and butterflies to your garden throughout the summer.
Container Adaptability
Upright growth habit makes it a perfect candidate for decorative pots.
Environmental Resilience
Robust enough to handle urban pollution while maintaining structural integrity.
Key Specs
Mature Height
4 feet (with flowers)
Mature Width
3 feet
Light Needs
Full Sun, Shade
Bloom Time
Early to Mid Summer
Growth Rate
Medium
Hardiness Zone
7
Foliage Color
Green, Reddish-Purple
Water Needs
Average to Moist
Features
- Bold violet-blue flower clusters
- Flowers are excellent for cutting
- Evergreen foliage with winter color
- Attracts bees and butterflies
- Upright habit ideal for containers
- Tolerant of urban pollution
- Low maintenance plant
- Provides seasonal interest
What customers say
Customers consistently praise the exceptional quality and health of the Storm Cloud Agapanthus upon purchase from Armstrong Garden Centers. Reviewers frequently highlight the plant's striking, deep blue color, noting that the blooms are prolific and long lasting, exceeding expectations set by the name. The plant proves reliable and easy to establish, offering significant aesthetic value for gardeners seeking dramatic color and robust performance in their landscapes. This strong performance makes it a highly recommended perennial.
Know before you buy
Since the Storm Cloud Agapanthus reaches a mature width of 3 feet, you should space them at least 3 feet apart on center to allow for proper airflow and growth.
While it is versatile enough to grow in both full sun and shade, you will generally see the most prolific violet-blue blooms when the plant receives at least partial sun throughout the day.
Yes, its upright habit makes it an excellent choice for containers. Ensure your pot has adequate drainage and is large enough to accommodate its 3-foot spread as it matures.
The Storm Cloud Agapanthus is an evergreen perennial, meaning it keeps its foliage year-round. In the winter, the leaves often shift from a standard green to attractive reddish-purple tones, providing visual interest even when not in bloom.
Absolutely. The trumpet-shaped flowers grow on tall, sturdy stems that are specifically noted for being excellent for cutting and displaying in vases.
Not at all. It is considered a low-maintenance plant that is quite hardy and even tolerant of urban pollution, making it a reliable choice for most garden settings.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$15