As the season progresses, plant more bolt-resistant varieties. Non-head lettuces include leaf and romaine (also known as cos). Further vegetative growth and rapid growth of stem; Growing Guide Cos and romaine also develop from Entire plants can be harvested in mid-development while the leaves are still plump and tender, but before a stem has started to form. Soaking seeds or seedlings in ethanol and methanol solutions have been reported to This indicates the plant is preparing to bolt to seed, and greens collected from such plants are often too bitter for consumption. Young inflorescence with flower buds 3 months after sowing. Effects of temperature during seed development in. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Bibb - Buttercrunch; Summer Back to top. As the crop wanes, a second Euphyllophyta - This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. The Super Food Garden is the most nutrient dense garden you can build and everything you need is right here in one pack. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Viridiplantae - Photographs were taken eight weeks after planting. Cutting the head of lettuce above the roots can lead to strange growth if you were to try and grow the Romaine for a second season. To learn more about our use of cookies, as well as the categories of personal information we collect and your choices, please read our Privacy Policy. Lettuce seeds were sowed on April 25th, 2010. a basal growing point, but the leaves are oblong and grow upright. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Flowering continues for 3-4 weeks. Our most attractive green romaine. Most of the blights and troubles have been eliminated through plant breeding and hybrid vigor. Cos is also more heat tolerant. Can't wait to get to that Spring gardening? It's a cool-weather crop that can be planted in early spring and late summer in most areas of the United States. Appearance of the Unexpected Triploids in the Hybrid Progeny between Lettuce, Lactuca sativa and its Wild Relatives, L. saligna. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Young lettuce plant, 40 days after sowing. Organic seed with NOP-compliant pelleting. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Lettuce is an annual or biennial plant most often grown as They are regarded as one of the more nutritious types of lettuce, often containing vitamins A, B and C and an array of minerals. Since cultivation is difficult with these shallow-rooted plants, a mulch of grass clippings, salt hay, clean straw, or the like, will keep the weeds out and the soil moist and cool. Recommended varieties: Head - Fulton; Ithaca; Big Boston. when head is fully formed and grown, plant considered to reach vegetative Sign up for growing tips, exclusive offers, and new product info. Use a loose bag, rather than a sealing one, to allow the lettuce to breathe. Johnny's Selected Seeds 955 Benton Ave. Winslow, Maine 04901 * 1-877-564-6697, OMRI (Organic Materials Review Institute) Listed, Recommended Summer Planting for Fall Harvest, Tomato Bushy Stunt Virus (Lettuce Dieback Complex), Full-Size Romaine (Cos) Lettuce Varieties | Dynamic Comparison Chart. The dust produced during cleaning causes irritation to the lungs and eyes. The first set of leaves that emerge from the seed are called seed leaves. season. The faster lettuce matures, the crisper and tastier the result will be. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Reaching up to 20 inches tall, most romaine lettuces take 60 to 80 days to harvest. Versatile mini romaine with sweet flavor. Dig the planting holes 1/2 inch shallower than the seedling root ball so that the base of the stalk is slightly higher than the soil line. Put the seed through a fine mesh sieve that allows the seeds through but retains the chaff and plumes; this will give relatively clean seed. Iceberg (crisphead) varieties take longer and should be harvested as soon as a head develops but before outer leaves turn brown. It’s that simple. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. For head, Bibb, and cos types, space rows 18 inches apart, plants 8-10 inches apart. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. For extra cleaning use reverse screening, with a smaller mesh that retains the seed but lets small pieces or chaff and plume through. Become an Affiliate| Private Label Seeds | Contact Us.

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