More gardens die of bad watering than of pests. And nearly every watering problem is halved by proper mulch. These two skills are one system.
Deep and rare beats shallow and often
A daily sprinkle wets 2cm of soil, so roots stay in the top 2cm — where the sun kills them in the first dry week. Watering deeply (until the soil is moist a hand-depth down) two or three times a week trains roots downward into the moisture bank. Deep roots are drought insurance, cyclone anchoring and nutrient access all at once.
When to water in Mauritius
Early morning, full stop. Evening watering in our humidity leaves leaves wet all night — a written invitation to fungal disease. Midday watering wastes half the water to evaporation. In the summer rains, check before watering at all: push a finger in; if it is moist at knuckle depth, walk away.
Reading your plants
Wilting at 2pm in summer heat means nothing — plants droop to protect themselves and recover by evening. Wilting at 8am means water now. Yellowing lower leaves plus soggy soil means you are overwatering — as deadly as drought and more common.
Mulch: the 5–8cm rule
Mulch is anything covering the soil: dry grass, sugarcane straw, dead leaves, chipped branches. What it does: blocks weeds, halves evaporation, feeds the soil food web from the top down, stops rain from compacting bare ground, and keeps soil cool through summer.
- Depth: 5–8cm. Less does little; much more can block light rain from ever reaching soil.
- Keep it a hand-width clear of stems — mulch piled against a stem rots it.
- Refresh as it breaks down; the disappearing mulch IS the soil improving.
- Coastal west: mulch is non-negotiable. Plateau winter: thin it out if beds stay soggy.