Common spinach (Spinacia oleracea) is generally grown as a cool-season annual in most areas, although it's sometimes a biennial in U.S. Department of Agriculture plant hardiness zones 3 through 9.As spinach begins to bolt, its leaves change shape, from oval to an arrowhead form.As the days become longer and warmer during the end of spring or early summer, spinach plants send up flower stalks.You have a few options when spinach begins to bolt, such as pulling it up immediately and planting a warm-season crop in its place.Seal the envelope, and store the seeds in a cool, dry location, such as a basement or garage, until planting time comes again. .

Spinach Planting & Spinach Growing

This plant food works in tandem with great soil to help you achieve the best possible spinach harvest.In the spring, plants will grow tall and bloom (called bolting) as soon as the days are longer than 14 hours.Our variety is slow to bolt, which is a real bonus for gardeners who don’t have the luxury of long stretches of mild weather. .

Why Do Leafy Greens Bolt?

Bolting is a process that leafy greens such as leaf lettuce, cabbage, spinach and Swiss chard go through when they get ready to flower and set seed.Once your favorite leaf lettuce or other leafy green has begun to bolt, the leaves turn bitter and can no longer be eaten.Even without warm temperatures and long days, leafy greens will not last forever without bolting, but they will live for a longer length of time in the garden when planted during the cool season.One way to extend the growing season of your lettuce crop is to plant varieties that are more heat tolerant.Seed companies usually have a varieties of heat tolerant lettuce available, and I have had good success using these types in my Southwest garden. .

Bolting in Garden Vegetables – West Coast Seeds

A large number of common garden vegetables are grown in spring (and again in the fall), when the soil is cool, before the long days of summer have arrived.These vegetables are grown for their edible leaves — as opposed to many of the summer-harvest crops that we grow for their roots or fruits.Lettuce, spinach, pac choi, arugula, mustard greens, and chicory are all included.As the days get longer and the average soil temperature increases (becoming quite hot at mid-day), these plants bolt, or “run to seed.” These odd phrases describe the speed with which some plants can produce a flower stem, go into bloom, and then produce seeds.Some plants can produce a flower stalk that grows several inches per day.A gardener might interpret plants bolting as a signal to put leafy vegetable production on hold for the summer and focus instead on all those other, heat-loving crops, from turnips to tomatoes.Plants in the carrot family tend to develop long, tapered, carrot-like tap roots.The parts of these plants that we eat are simply unopened flower clusters.It’s tempting to think of a head of broccoli as being frozen in time somehow, since the ones we buy at the supermarket appear to be inanimate.But when there’s broccoli growing in the garden, the plant fully intends on making flowers and seeds — so when it’s ready, it must be harvested. .

HOW do I stop my Spinach seedlings from bolting????

BTW - The lettuce plants + others are thriving under the shop lights, as they did this past spring.The spinach seedlings that I purchase at the garden centers grew just fine in the spring.It is impossible to find seedlings this time of year at the garden centers and I want to eat spinach salads this fall. .

Spinach Is Bolting, What to do ?

When it approaches peak maturity at times certain environmental conditions can cause it to quickly ‘bolt’ to seed before we are able to harvest.Spinach thrives in cooler weather and will respond to summer heat by forming flowers and seeds.Spinach leaves from plants that have bolted tend to be bitter, with a sharp, pungent and unpleasant taste.You can slow down bolting if you are hit with a unseasonable unexpected hot spell by watering your spinach plants generously and crossing your fingers.If you are seed saving, bolting is fine, if not you need to harvest your Spinach ASAP or plow it under.Crop Rotation, Timing Spinach Planting for a continuous Harvest.‘For a continuous supply of spinach during the entire growing season, plant seed every week or two.Then follow with more plantings of cool season broadleaf spinach in the late summer and early fall.’ Oregon State University. .

How to Grow Spinach from Seed

That’s why spinach is usually grown in early spring and fall, in low temperatures and short days.Most of the spinach varieties we offer are hybrids that mature early and resist bolting.But we also love the open pollinated heirloom Viroflay, which stands apart from the rest for its sheer size.And the leaves stay tender and delicious even when the plant is fully mature.Space is very compact and upright, holding its leaves skyward for easy harvesting.Sow again in the middle two weeks of August for a fall crop that, if cut at the soil level, will come back early the following spring where winters are mild.Thin seedlings, and use cloche protection as cold weather approaches.Late sowings like this can be harvested into December – in mild winters if cloche protection is provided.Dig in ¼-½ cup balanced organic fertilizer beneath every 1m (3′) of row.Individual leaves can be picked at anytime, until the plant has started to bolt.You can kill the little insect causing the damage by pinching it inside the leaf.Downy mildew is a fungal disease that causes greyish mould on the leaves. .

What can I do when my spinach bolts?

Cool Customer: Did you know that spinach won’t germinate if the soil is too warm? .

Growing Spinach in Spring

If eating more nutritious foods is one of your gardening goals, you will want to get busy growing spinach, a cool-season vegetable to raise in spring and autumn.As gardeners, the biggest payoff comes when baby leaves are left intact so the plants can quickly grow into robust, almost-mature teens.Be sure to wash your spinach thoroughly in cool water before eating it, taking care to remove soil that often clings to the undersides of the leaves.When this happens, new leaves become smaller and more pointed, and the center of the plant rises and elongates into a stalk – a process called bolting.You will want to have plenty of crisp leaves to enjoy in strawberry-gilded salads, one of the peak experiences to expect when you get into growing spinach.Probably not, but growing a spring crop of spinach will maximize your garden’s nutritional output of delicious, garden-fresh greens. .


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