The Pollinator Garden Layout Planner is a free online tool that helps you lay out flowers by bloom season on canvas so something is in flower from spring to autumn for bees and butterflies. You open the tool in your browser, type in your measurements, pick your plants, and watch your plan take shape on a simple canvas drawing. There is no account to create, no app to install, and no payment at any step. That matters because a garden plan should be quick to change: if a bed turns out smaller than you hoped, or a wall gets less sun than you thought, you can adjust the numbers and rebuild the plan in seconds instead of starting over on paper.
Start with honest measurements. Measure the bed width and the bed depth in metres, and write the numbers down before you type them in. Then watch the sun for one day if you can, and note how many hours of direct sun the spot really gets, because sun is the one thing you cannot fix later with watering or feeding. Morning sun is gentler than harsh afternoon sun, and a spot that looks bright at noon may sit in shade by three in the afternoon. The tool uses your sun hours to warn you when a sun-loving plant would struggle in your spot.
Next, choose plants that suit your space and your cooking. This planner works well with Lavender, Echinacea, Sunflower, Marigold, Salvia, Borage. Each plant in the list carries its own sun need, water need and spacing, so the plan stays honest about how much room a plant truly needs. A tomato that wants 45 centimetres of space will not stay small just because your bed is small, and crowding plants together is the fastest way to invite disease and weak harvests. Pick fewer plants with proper spacing rather than squeezing in one of everything.
Now build the layout step by step. Add one plant at a time, and check the canvas after each addition so you can see the shape of the plan grow. Mix early, mid and late flowers in every part of the bed, so bees never face an empty month. Leave room to reach every plant without stepping on the soil, because compacted soil holds less air and water, and roots grow poorly in it. A plan that looks full on screen should still leave a path for your feet, your watering can and your harvest basket.
Water and feeding make or break a new plan. Group plants with similar water needs together where you can, so one watering routine suits the whole group instead of drowning one plant while another stays thirsty. Water deeply and less often rather than sprinkling a little every day, because deep watering trains roots to grow down where the soil stays moist longer. Feed lightly with compost at planting time, and add more only if growth looks pale or slow, since too much fertiliser grows soft leaves that pests love.
Think about the season, not just planting day. Some crops finish in weeks, while others need a whole season, so plan a second sowing to fill gaps when early crops finish. Keep a short note of what you planted and where, because next year that note is what lets you rotate crops and avoid planting the same family in the same spot twice. Rotation matters even in a small garden, since pests and diseases build up in soil that grows the same crop year after year.
The most common mistakes are easy to avoid once you know them. Do not plant in shade and hope for the best, do not skip measuring, and do not fill every centimetre on day one. Start with the plants you will actually eat or enjoy, learn how they grow in your soil and light, and expand the plan next season with what worked. Use this planner to test ideas before you dig, print or copy your final plant list, and keep it beside you when you buy seeds and seedlings so you bring home exactly what your plan needs.