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Lettuce, Romaine Lettuce 'Jericho'

Lactuca sativa

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Lactuca (lak-TOO-kuh) (Info)
Species: sativa (sa-TEE-vuh) (Info)
Cultivar: Jericho
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6-12 in. (15-30 cm)

12-18 in. (30-45 cm)


9-12 in. (22-30 cm)

Sun Exposure:

Full Sun

Days to Maturity:

Unknown - Tell us


Grown for foliage

Seed Type:

Created heirlooms

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; sow indoors before last frost

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


This plant has been said to grow in the following regions:

Fayetteville, Arkansas

Clifton, Colorado

Lakeland, Florida

Dalton, Georgia

Troy, New York

Cascade, Virginia

Madison, Wisconsin

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Gardeners' Notes:


On Sep 13, 2012, greggj82 from GAMBRILLS, MD wrote:

Jericho grew well in Baltimore Md in a high tunnel. Planted in March. Added fish based fertilizer. Soil mixed with compost. 2-4 inches.


On Sep 1, 2012, tomatolarry from Dalton, GA wrote:

Jericho made a believer out of me in that it does indeed grow well during blistering heat. It has a very good taste also. Right now I am germinating more for a fall bed.


On Jun 2, 2011, Tefoe from Lakeland, FL wrote:

Yep, definitely heat and drought tolerant, can also take a light frost! And the taste stays superb throughout! A lettuce you really should be growing.;)
There is just one bad thing about this lettuce............ It will break you, if your trying to save seed off of it, the plants would rather die, than bolt, most of the time!


On May 9, 2009, LTilton from Glen Ellyn, IL (Zone 5b) wrote:

Jericho stood the heat well enough, but it was slow to grow.


On Nov 17, 2005, ineedacupoftea from Denver, CO wrote:

I can attest to heat resistance. When weather turned toasty ,(aka Hot; 100s degrees) The young heads of my buttercruch went sour, but the maturing heads of jericho were very sweet. Awesome. It seemed like the last heads sat there for a long time waiting for me to pick them before they bolted.

I'm ordering more soon.


On Aug 11, 2005, Farmerdill from Augusta, GA (Zone 8a) wrote:

A heat and drought resistant Israeli Romaine