Hawke's Bay's climate is about as close to textbook vegetable-growing weather as New Zealand gets: reliably sunny, warm from October, and clear of serious frost risk within a similar window to most of the North Island's east coast. Napier's own frost record shows the season easing by October and not returning until May, a longer safe window than most regions further inland get.
That reliability makes the standard spring list straightforward here. Lettuce, spinach, silverbeet, peas, beetroot and carrots go in from September without much risk, and tomatoes, capsicums, courgette and sweetcorn follow through October once the last of the cooler nights have passed. Hawke's Bay's dry summers suit tomatoes and capsicums particularly well: less humidity than the North Island's western regions means less blight pressure through the growing season.
The trade-off for all that sun is water. Spring rain in Hawke's Bay can't be relied on the way it can in Taranaki or the West Coast, and a new planting left to the weather alone will show it within weeks. Irrigation, even just a regular hand-watering routine for a home garden, matters more here than feeding, staking or almost anything else on the usual spring checklist.
The trade-off for all that sun is water.