How to Care for Asters in a Subtropical Planting Calendar

Gardening infographic titled "Subtropical Monthly Planting Calendar". Archetype: GROWING TIMELINE (seed → harvest). Vintage seed packet layout in a muted herb sage palette, botanical illustration / cottage-garden aesthetic, botanically accurate plant forms. Focus on a subtropical monthly planting calendar with a clear month-by-month seed-to-harvest flow, designed to visually support care guidance for asters. Include elegant botanical illustrations of asters and companion seasonal garden plants, with 5–8 labeled callouts in English for: sowing time, transplanting stage, full sun, partial sun tolerance, moderate watering, well-drained soil, flowering season, harvest / seed collection stage. Add seasonal cues for subtropical climate across the months January through December, using icons, arrows, and timeline bands. Clearly label asters as ornamental and non-edible where relevant; correctly distinguish any edible companion herbs or vegetables from toxic ornamental plants if shown. No pesticide brand logos, no GMO recommendations. Decorative vintage borders, seed packet typography, softly aged paper texture, balanced infographic composition, clean readable labels, no clutter. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no watermarks Botanically accurate plant forms. No pesticide brand logos, no specific GMO recommendations. Edible / toxic plants must be correctly labeled where relevant.