Psidium guajava
Guava · Guava Tree · Guave Tree

About the plant
What it is and where it grows — not part of any germination protocol.
The plant
- Habit
- shrub or treePlants of the World Online
- Habit
- Perennial, Shrub, TreePLANTS Database
- Height
- 25.0 ft7.6 mPLANTS Database
- Flower
- WhitePLANTS Database
- Blooms
- SpringPLANTS Database
Growing conditions
- Sun
- Shade tolerance: MediumPLANTS Database
- Soil
- Adapted to coarse, medium, fine textured soilsPLANTS Database
- Soil pH
- 5.5-7.0PLANTS Database
- Moisture
- Moisture use: MediumPLANTS Database
- Watering
- Drought tolerance: MediumPLANTS Database
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS.
Worth knowing
- Native to South America; when grown, honey bees are its main pollinators. In some tropical places it is invasive, and it has become a major problem in the Galápagos. Wikipedia: Psidium guajava
Protocol
DerivedN. C. Deno, 1998Difficulty Moderate
Sow and cover
Temperature: 70°F 21°C Light: dark
No stated waiting before sowing. Then 35 days to germinate.
65% germination in 21–35 days.
How each step is done, in Deno’s words, and what Verified and Derived mean.
Germination trials
Readers’ own records of sowing this species, published after review. Share your trial · All trials
No trials shared for this species yet.