Apricot blossom is in full bloom in the Teviot Valley, while Cromwell apricot growers are either waiting for flowering to start or have up to 80% of their blossom out.
Alexandra orchards usually flower a little later and orchardists in that area said the apricot trees were just starting to flower or were up to a week away from blooming.
Coal Creek orchardist Stephen Jeffery said a succession of warm days condensed the apricot flowering season.
"They've started at the same time as usual, but all my varieties have come out within a few days of each other, and that's more unusual.
"It's good for pollination, though, and the still days mean the bees will work more effectively. I think we can assume we'll have a really good pollination period."
Most orchardists have beehives brought on to their property to help with pollination during flowering.
The spread of the varroa mite, a parasite that destroys bee colonies, appeared to have hit wild bee numbers in Central Otago, Mr Jeffery said.
"We used to have wild bees coming into our orchard but there's none around this year. I think most fruitgrowers bring hives in rather than relying on chance, though."
He described the loading of apricot blossom on his orchard as a "moderate" crop but warned the harvest would depend on several factors, including frosts when the fruit was at its most vulnerable.
"I've been up four nights in the past week frost-fighting already, but that's just part of the game."
The frost-warning system on his orchard phones and texts him when the temperature reaches a certain level.
"Then I get up to keep tabs on it and check all the valves are open if I need to switch the water on [to frost-fight]."
The manager of Phoenix Orchard at Bannockburn, Tim Paulin, said the flowering season there had also been condensed, which was good for pollination.
Between half and 80% of the apricots were flowering, with a "sprinkling of peach and nectarine blossom out as well".
No frost-fighting had been done on the property yet this season.
"They can still handle a bit of frost, the stage they are at."
He was "happy with the amount" of apricot blooms so far.
