How much sun does Vine Four O'Clock need?

Vine Four O'Clock grows best in full sun conditions.

When does Vine Four O'Clock bloom?

Vine Four O'Clock blooms in March, April, May, June, July, August, September, October, and November.

Where is Vine Four O'Clock native?

Vine Four O'Clock (Acleisanthes obtusa) is native to TX, per vouchered herbarium specimen records and regional native plant society lists.

What pollinators does Vine Four O'Clock attract?

Vine Four O'Clock draws moths and hummingbirds.

Is Vine Four O'Clock HOA-friendly?

Vine Four O'Clock takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Vine Four O'Clock

Name: Pollinator Patch
Author: Pollinator Patch

Acleisanthes obtusa

Last reviewed: October 2026

Toxicity unknown

Vine Four O'Clock (Acleisanthes obtusa) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

60"–48" H × 60"–48" W

Bloom

Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov

Native to

Pollinators

moths, hummingbirds

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 459 programs across 44 states, each with a link to the provider and the date we last checked it.

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Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Vine Four O'Clock.

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Browse plants for this ecoregion

Southern Texas Plains Texas Blackland Prairies East Central Texas Plains Western Gulf Coastal Plain

Vine Four O'Clock is a sprawling native perennial that produces fragrant tubular flowers from spring through fall. This drought-tolerant vine can climb or trail, making it versatile for different garden situations. It goes dormant in winter, losing its leaves until spring growth returns.

In an HOA neighborhood

Vine Four O'Clock takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Insufficient data for HOA assessment

Wildlife value

The tubular flowers attract moths and hummingbirds throughout the long blooming season. Night-blooming flowers are especially valuable for nocturnal pollinators.

Common questions

How much sun does Vine Four O'Clock need?: Vine Four O'Clock grows best in full sun conditions.
When does Vine Four O'Clock bloom?: Vine Four O'Clock blooms in March, April, May, June, July, August, September, October, and November.
Where is Vine Four O'Clock native?: Vine Four O'Clock (Acleisanthes obtusa) is native to TX, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Vine Four O'Clock attract?: Vine Four O'Clock draws moths and hummingbirds.
Is Vine Four O'Clock HOA-friendly?: Vine Four O'Clock takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Vine Four O'Clock? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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