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Smooth Four O'clock

Mirabilisglabra

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Family
Nyctaginaceae (nyk-taj-i-NAY-see-ee)
Info
Genus
Mirabilis (mih-RAB-ih-liss)
Info
Species
glabra (GLAY-bruh)
Info
Synonym
Mirabilis carletonii
Mirabilis exaltata
Oxybaphus carletonii
Oxybaphus exaltatus
Oxybaphus glaber
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness

Unknown - Tell us

Danger

Unknown - Tell us

Bloom Color

Unknown - Tell us

Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Herbs
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional
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Xenomorf
Phoenix, AZ (Zone 9b) | May 2011 | neutral

More synonyms of this plant are: Allionia carletonii & Allionia exaltata.

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