This vigorous, fast-growing vine blooms all summer and attracts hummingbirds.
Cardinal climber is a noteworthy plant for several reasons, starting with its history.
After years of attempts, Mr. Sloter finally succeeded in 1908.
The fast-growing vine with lacy, fernlike foliage and bright, trumpet-shaped flowers was named after him,I.
The flowers begin appearing in midsummer and continue to bloom until the first frost, closing at night.
Like all morning glories, cardinal climber is toxic to humans and pets.
Plant the seeds 14 to 12 inch deep, 4 to 6 inches apart.
Tamp down the soil and keep it evenly moist but not soggy.
Once the seedlings have emerged, thin them to 10 to 12 inches apart.
More instructions about starting cardinal climber from seed can be found under How to Propagate Cardinal Climber below.
It can grow in part sun, but there will be fewer blooms.
Check how sunlight appears in your garden before deciding where to plant cardinal climber.
It tolerates dry soil but grows best with regular deep waterings, especially during extended dry spells.
Temperature and Humidity
Cardinal climber is a heat-loving, frost-tender vine.
It is also tolerant of humidity.
Apply a complete balanced fertilizer, diluted to half strength, about once a month during the summer.
If the soil is too rich, you will get lots of vines but few flowers.
Pruning
Cardinal climber is also low maintenance when it comes to pruning.
The flowers do not need to bedeadheaded.
it’s possible for you to trim the vines to tame their vigorous growth.
If you dont want to trellis the plant, a container with a 12-inch diameter is sufficient.
double-check the container has large drainage holes.
Keep in mind that container plants need more frequent watering and fertilizer than inground plants.
Cardinal climber being an annual, it wont require repotting during its single growing season.
How to Propagate Cardinal Climber
Cardinal climber is best propagated from seed.
Proceed as described above under How and When to Plant Cardinal Climber.
Frequently Asked Questions
No, the vine is grown as an annual.
It depends on how you would like it to grow.
Cardinal climber can become weedy when it spreads, and so can act like an invasive plant.
Updated by Nadia Hassani
Morning Glory.ASPCA.
Are Morning Glories Poisonous?National Capital Poison Center.
