Growing Several Spinach Crops a Year Successfully
Spinach is an extremely fast growing and easy crop for early, cool
It can be one of your first home-grown greens to lead off salad season.
The nice thing about this vegetable is the seed germinates better in
cold ground (it prefers soil temperatures of 40F over the high
temperatures of later in the spring or summer) Later sowings will
sprout faster but with a reduced germination rate. This means you'll
get the seedlings earlier but fewer of them for the amount of seed you
Generally as soon as you can walk on your garden soil, you can plant
seed. Figure early April in USDA zone 4 – or as soon as the frost is
out of it. Sow a short row every week until the middle of June for a
reliable supply. Don't bother sowing after that or when the weather
gets really warm as it doesn't stay in "leaf" form but bolts up into
flower and produces unusable leaves. Whether it is the warm
temperatures or the long days with increasing sunlight, this vegetable
doesn't do well in the heat.
Spinach 'Bloomsdale' Snip the blooms off with your fingers to prolong leaf production (you can the flower just starting on this plant)
Sow your seed one half inch deep and about two seeds to the inch.
You're going to want to thin plants so the mature plants are eight
inches apart. or just touching leaves.
Remember you're not going to
let them get fully mature so while a mature plant will get larger than
this, by the time it is ready to do so, you're already moving onto other
greens and pulling these spinach plants out).
Keep harvesting and using
the thinnings as you thin plants to the eight inch spacing.
that, harvest as many of the outer leaves as you need. If you've sown
too many plants for use, harvest the entire plant and use those very
tender inner leaves.
You can resow again in early September for later crops and you'll find
spinach to be reasonably frost hardy giving you fresh greens right up
until a very hard freeze. You'll find you get a first harvest about 45
days after sowing.
Not too many pests bother spinach although you may find a few aphids
trying to hitch a ride. A quick jet of water takes care of this
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