Herbs are good plants for roof top gardening, as they are so tough and stay ready for picking when needed. On my rooftop terrace in inner city Sydney I grew them in big pots and troughs across the open North side, I had oregano, salad burnet, and parsley, lemon grass, thyme and chives, rosemary, and sage. In smaller pots against the East facing wall I grew mint, basil and coriander. The first eight are set and forget plants; the oregano seeds and spreads from year to year, and the salad burnet needs a…
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