This fast-growing annual vine with trumpet-shaped blossoms is adored by humans and hummingbirds.

It is easy to grow and blooms for months in the heat of summer, attracting hummingbirds and butterflies.

Also, like morning glory, its flowers close up in the afternoon.

Cypress Vine Ipomoea quamoclit

Cypress vine shares another less desirable trait with morning glories: It is toxic to humans and pets.

It is unfussy about soil conditions as long as there is good drainage.

It grows fine in soil from slightly acidic to slightly alkaline.

The vines might look delicate, but they need sturdy support.

Cypress vine produces an abundance of viable seeds and reseeds itself freely.

Wait until temperatures are regularly above 70 degrees Fahrenheit and the soil has warmed.

Plant the seeds 2 to 3 inches apart, 14 to 12 inch deep.

Thin out the seedlings to 12 inches apart.

If planting seedlings, leave the same space between them.

The seedlings are delicate, so handle them carefully.

Cypress vine is slow to start growing but will climb quickly once it is established.

Cypress Vine Care Tips

Light

Cypress vine needs full sun to thrive.

It can grow in a partially shady location, but it will bloom less prolifically.

Good drainage, however, is key.

The plant does poorly in soggy soil.

It does best where summers are long and hot.

High humidity is usually not an issue.

Also, ensure there is external support (wall, trellis, etc.)

nearby so the vines can latch onto it.

Keep in mind that container plants need more frequent watering and fertilizer than in-ground plants.

As an annualvine, cypress vine wont require repotting during its single growing season.

Pests and Problems

Cypress vine has no serious issues with pests or diseases.

It is not a favorite for deer browsing.

For better germination results, nick the seeds and soak them in room-temperature water for 12 to 24 hours.

Harden the seedlings off after the last spring frost before planting them outdoors.

The Victorians draped cypress vines over gravestones to symbolize the enduring bonds of love that transcend death.

Updated by Nadia Hassani

Morning Glory.ASPCA.

Are Morning Glories Poisonous?National Capital Poison Center.

“Cypressvine Morning Glory.

“Invasive Plant Atlas of the United States.