Most gardening advice online was written for gardeners in the United States or the United Kingdom. That's not a minor calibration issue — it means seasonal guidance, planting calendars, and growing recommendations are wrong by six months for anyone gardening in Australia, New Zealand, or southern Africa. MyPlot was built for the other side of the world.
- Spring: March – May
- Sow tomatoes after last frost: Mar/Apr
- Peak summer harvest: July – August
- Sow garlic: October – November
- Winter rest: December – February
- Spring: September – November
- Sow tomatoes after last frost: Sep/Oct
- Peak summer harvest: January – February
- Sow garlic: April – June
- Winter rest: June – August
When a garden blog says "start your tomato seedlings in March", they mean after the last frost of the northern winter. In Melbourne, March is late summer — the tomatoes you started in October are finishing up, not starting. In Brisbane, the growing calendar shifts again by climate zone. In Hobart, the frost risk window is entirely different. A single hemisphere-agnostic planting guide cannot serve all of these accurately, and most don't try.
MyPlot's plant library is calibrated for southern conditions throughout. Growing guides are reviewed for Australian and New Zealand timing. Frost tolerance notes are written for southern winters. Harvest windows reflect what you'll actually experience growing in Perth versus Christchurch versus Townsville — not a notional Northern Hemisphere baseline.
This extends to Sprout, the AI assistant. When you ask Sprout what to plant right now, it knows your actual current season before it answers — not a generic northern response. If you're in Melbourne in April, Sprout knows you're heading into autumn and will suggest brassicas, Asian greens, and broad beans. Not tomatoes.
We also account for the enormous variety within Australia and New Zealand. A gardener in Darwin has a wet season and a dry season, not four traditional seasons. A grower in Central Otago has genuine frosts that would destroy a subtropical garden. A backyard in coastal Queensland can grow bananas and pawpaw alongside conventional vegetables. MyPlot handles that range rather than defaulting to a single climate archetype.
The climate zone awareness shapes everything: reminders, crop planner scores, the weekly briefing, and the AI responses. If you're in a frost-prone area heading into May, you'll get reminders to protect frost-sensitive plants. If you're in the tropics going into the wet, the briefing will flag drainage and fungal disease pressure. These prompts come from knowing what's actually happening in your part of the world.
Building for the Southern Hemisphere first is a deliberate choice. Most gardening software is built in the US or UK and adapted — poorly — for other markets. We've done it the other way: designed specifically for the conditions, timing, and plants that matter to Australian and New Zealand gardeners, with the plant library and seasonal logic built for the south from day one.