In the vineyard cycle, timing is everything
Rainfall at two critical times — Harvest
too late in the spring, or too early Flowering, fruit set Exact timing depends
in the fall — can be the bane of Pollinated, fertilized Fruit ripens on region and grape
the grape grower. ﬂowers become About 60 days varietal.
small green berries. after ﬂowering Early rains can cause
Budbreak starts, grapes
An In March, when the Rain now can cause mold and mildew to
ﬂowers to be knocked are ripening. attack the vines,
average weather warms, buds Red grape
year break open, ready o or to not pollinate, heavy rain or hail can
leading to sparse varietals begin damage the grapes.
to send out shoots; changing color.
Dormant small leaves unfurl. grape clusters later.
(Cool, with occasional rain) (Dry and warmer) (Hot and dry)
Jan. Feb. March April May June July Aug. Sept. Oct. Nov.
A cooler-than-normal Flowering and fruit set Fruit ripens Harvest
This spring, with rain in The spring’s cool, cloudy Grapes are likely Some grapes may
year March, was followed by
a short period of hot
weather gave the vines to be less ripe be harvested early;
weather — then more a late start, so the June before the warm grapes left to ripen
rain in May and June. rains didn’t hurt. Flowering summer days longer are at risk of
has just begun, and the dwindle. damage from early
fruit set is still to come. fall rains.
Hearthstone Vineyards BAY AREA NEWS GROUP