Incarvillea delavayi
Best unique blooms for gardeners seeking reliable growth.
This hardy perennial, also known as Hardy Gloxinia, produces striking pink-red, trumpet-shaped blooms with vibrant orange and yellow throats, elevated on sturdy stems. Its lush, fern-like foliage creates attractive, non-invasive mounds. It thrives in full sun in cooler climates (zones 5-7) and prefers partial sun, shielded from intense afternoon heat, in warmer regions (zones 8-10). This resilient plant offers a beautiful splash of color and unique texture to any garden setting, making it a standout addition.
$5.99
Owner Satisfaction
4.4
/ 5
Category Rank
5840
/ 6537
#5840 in Seeds & Seed Tape
Price vs Category Average
-41%
Below average
Type
Hardy perennial
/ Hardy perennial
Who it's for
- Gardeners seeking unique, visually stunning plants for their landscape
- Busy gardeners desiring low-maintenance, long-lasting floral impact
- Eco-conscious gardeners wanting to support local wildlife
Who should skip it
- Impatient gardeners expecting quick results from seed packets
- Gardeners with clay-heavy or poorly draining soil conditions
- Those desiring continuous, season-long floral displays from a single plant
Performance breakdown
Visual Impact
Striking trumpet-shaped blooms provide an immediate, high-contrast focal point.
Climate Versatility
Broad hardiness range makes this a reliable choice for diverse regions.
Growth Habit
Tidy, non-invasive clumps keep garden beds looking clean and intentional.
Germination Reliability
Standard 10-30 day window requires patience and consistent moisture management.
Maintenance Ease
Hardy perennial nature ensures minimal fuss once established in the ground.
Packet Yield
Low seed count limits the immediate coverage for larger garden spaces.
Key Specs
Type
Hardy perennial
Height
24 inches (flowers)
Location
Full sun, or part sun in hot climates
Hardiness zones
5-10
Seeds per packet
10
Germination time
10-30 days
Plant Type
Flower
USDA Hardiness Zones
Zone 5, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10
Know before you buy
Yes, it is a hardy perennial suitable for USDA zones 5 through 10. In colder regions, ensure the soil is well-draining to prevent root rot during the winter months.
It is adaptable but prefers full sun in cooler climates. If you live in a warmer region (zones 8-10), plant it in a spot that receives partial sun to protect the foliage from intense afternoon heat.
You can expect germination to occur within 10 to 30 days after planting. Keep the soil consistently moist but not waterlogged during this period to encourage successful sprouting.
No, Incarvillea delavayi forms tidy, non-invasive clumps. It is a well-behaved perennial that adds texture without taking over your garden beds.
The flowering stems typically reach a mature height of approximately 24 inches. The fern-like foliage remains lower to the ground, creating a nice layered look.
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