Inside borders require frequent and thorough waterings.
The practice of irrigating differs in different places with differences in the quality of the water, the soil, the drainage, &c. As a general rule, when the irrigating season begins in November the water may flow for a fortnight continuously, but subsequent waterings, especially after December, should be shortened gradually in duration till the first week in April, when irrigation should cease.
Allow your potted herbs to dry out a little between waterings once they become established.
They demand deep cultivation, much manure, frequent waterings in dry weather, with occasional soakings of liquid manure, to secure fine spikes and flowers.
While blooming they should have waterings, otherwise they get too dry, and ripen off prematurely.
Whatever plants for zone 9 you end up choosing, make the most of your gardening space by providing the plants with regular waterings, sufficient sunlight and the proper nutrients.
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