Rooftop gardening herbs

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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