How much sun does White Four O'clock need?

White Four O'clock grows best in full sun conditions.

When does White Four O'clock bloom?

White Four O'clock blooms in June, July, August, and September.

Where is White Four O'clock native?

White Four O'clock (Mirabilis albida) is native to AL, AR, AZ, CA and 33 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does White Four O'clock attract?

White Four O'clock draws moths and bees.

Is White Four O'clock HOA-friendly?

White Four O'clock is generally an HOA-friendly choice in the right placement, with low maintenance.

White Four O'clock

Name: Pollinator Patch
Author: Pollinator Patch

Mirabilis albida

Last reviewed: August 2026

Toxicity unknown

White Four O'clock (Mirabilis albida) 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

6"–24" H × 6"–18" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 33 more states

Pollinators

moths, bees

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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

White four o'clock is a low-growing wildflower that produces small white trumpet-shaped blooms from June through September. The flowers open in late afternoon and evening, creating a subtle fragrant display in drought-tolerant gardens. This hardy perennial dies back to the ground in winter and returns each spring from deep taproots.

In an HOA neighborhood

White Four O'clock is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.

Works well in: mid zone, foundation.

Flowers only open in evening/night
Can appear sparse during dormant season

Wildlife value

The evening-blooming flowers are specifically adapted to attract night-flying moths and other nocturnal pollinators. Bees also visit the flowers during cooler morning hours when blooms may remain open.

Common questions

How much sun does White Four O'clock need?: White Four O'clock grows best in full sun conditions.
When does White Four O'clock bloom?: White Four O'clock blooms in June, July, August, and September.
Where is White Four O'clock native?: White Four O'clock (Mirabilis albida) is native to AL, AR, AZ, CA and 33 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does White Four O'clock attract?: White Four O'clock draws moths and bees.
Is White Four O'clock HOA-friendly?: White Four O'clock is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the World Checklist of Vascular Plants (Kew). 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

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