// SPECIES PROFILE · PERENNIAL · NATIVE
Giant four o'clock (Mirabilis gigantea) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 6a–10a. Mature size 29"–6'. Blooms Apr–Oct.

[ growing · ecology · siting · care ]
Giant four o'clock (Mirabilis gigantea) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 6a–10a. Mature size 29"–6'. Blooms Apr–Oct.
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.
[ guild · polyculture · cross-layer pairings ]
In the same native range, giant four o'clock pairs naturally with: American Lotus (Nelumbo lutea), Aromatic Aster (Symphyotrichum oblongifolium), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium).