Rumberry

Shrub

Rumberry

Myrciaria floribunda

Also known as: Guavaberry relativeRumberry tree
ShrubTree Myrtaceae EdibleWildlife AttractorOrnamentalMulcher
Hardiness Zone
10-11
Ideal Temp
65–88°F
Survives Down To
32°F
Life Cycle
Perennial

Rumberry is a small Myrtaceae tree of Caribbean and adjacent lowland tropics, kin to the guava tribe vibes without the big-box hype. It fruits small berries used locally for jams, wines, and "stop asking if it is a blueberry" energy. subtropical and tropical Americas coastal gardeners: this is a frost-tender novelty for protected courtyards or the bravest 10a microclimate, not a hedge for lazy landscapers. Full sun for best flowering and fruit; young plants appreciate partial shade while roots establish. Moist, rich, well-drained soil; regular water in dry spells, no standing anaerobic soup. Brief cool snaps tolerated better than hard freeze; protect when frost threatens. Seeds: sow fresh; viability drops if seed dries excessively. Cuttings: semi-hardwood cuttings under humidity dome in warm season. Rumberry: pick when color, aroma, and a gentle yield to pressure agree for that species -- impatient fruit keeps starch, latex, or both. Clip clusters with clean tools; shallow trays beat deep piles that bruise the optimistic bottom layer. Rain splits thin skins -- pick before monsoon weeks if weather apps cooperate.

Good Neighbors
Cautions
  • Exposed salt spray without acclimation
  • Prolonged waterlogging