// SPECIES PROFILE · PERENNIAL · NATIVE

Heartleaf four o'clock

Mirabilis nyctaginea

Heartleaf four o'clock (Mirabilis nyctaginea) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a. Mature size 2'–5'. Blooms Apr–Nov.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 42 U.S. states, including AL, AR, CA, CO, CT, DC…
USDA hardiness: Zones 2a–11a
Mature size: 2'–5'
Sun: Part shade
Water: Low · xeric
Bloom: Apr–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Heartleaf four o'clock (Mirabilis nyctaginea) — *Mirabilis nyctaginea* — Heartleaf four o'clock. Photo by Jim Pisarowicz via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Heartleaf four o'clock (Mirabilis nyctaginea) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a. Mature size 2'–5'. Blooms Apr–Nov. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, heartleaf four o'clock pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium).