Photo by Melody

PlantFiles: Tomato
Lycopersicon lycopersicum 'Merced'

Family: Solanaceae (so-lan-AY-see-ee) (Info)
Genus: Lycopersicon (ly-koh-PER-see-kon) (Info)
Species: lycopersicum (ly-koh-PER-see-kum) (Info)
Cultivar: Merced

» View all varieties of Tomatoes

36-48 in. (90-120 cm)

24-36 in. (60-90 cm)

Sun Exposure:
Full Sun

Parts of plant are poisonous if ingested

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Growing Habit:

Fruit Shape:

Fruit Size:
Medium (under one pound)

Days to Maturity:
Mid (69-80 days)

Fruit Colors:

Seed Type:
American hybrid

Fresh, salad
Fresh, slicing

Disease Resistance:
Verticillium Wilt (V)
Fusarium Wilt (F)
Tobacco Mosaic (T)

Leaf Type:
Regular Leaf

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By justmeLisa
Thumbnail #1 of Lycopersicon lycopersicum by justmeLisa

By justmeLisa
Thumbnail #2 of Lycopersicon lycopersicum by justmeLisa


4 positives
3 neutrals
No negatives

Gardeners' Notes:

Positive pennyrile On Nov 23, 2007, pennyrile from Evansville, IN (Zone 6b) wrote:

Brought two plants back from Austin and broke one off unloading a suitcase for the night in Arkadelphia. Both the remaining whole plant and the re-rooted broken stem of the other grew equally well when put into the garden and persevered through high heat and drought to set a concentrated yield of solid, thick walled, fair tasting slicers on short stake, determinate vines on exactly the same timeline as Rutgers and Bradley ... except when Merced finishes its set, it's finished. Too bad seeds for this cultivar have become unavailable.

Positive Rancho33 On Jun 28, 2005, Rancho33 from Cedar Park, TX wrote:

I have grown this tomato variety for several years now in Central Texas where the summers can be blazing hot--95+ degrees most afternoons. This variety has stood up to the heat very well and has produced beautifully. This year (2005) I have had 6 plants in the garden and have harvested dozens of tomatoes already (late June). My plants are still loaded with tomatoes in varying stages of ripeness. The largest ones have weighted in at 18 and 19 ounces with many in the range of 12 to 16 ounces. My planting method is to dig in a couple of scoops of well rotted compost and a handfull of 13-13-13 fertilizer before setting the plant and pinnch off all but the very top leaves; plant to the depth of just below the top leaves. I water a couple of times a week. I highly recommend this variety and cannot say enough good things about it!

Neutral Farmerdill On Mar 10, 2004, Farmerdill from Augusta, GA (Zone 8a) wrote:

A 1991 heat resistant tomato from Northrup King. It has resistance to verticillium wilt race 1, fusarium wilt races 1 and 2, tobacco mosaic virus,and gray leaf spot.

Positive Belmont1 On Jan 5, 2004, Belmont1 wrote:

I have planted Merced's for many years now. They are planted in 10 gallon plastic buckets with holes for drainage. In the winter time they are moved into the garage. Just yesterday (1-4-04) I picked three large (all over 1 pound) ripe tomatoes. These are my first three since I planted them in September. I have two plants and each one has at least 20 tomatoes on them. Some as small as a dime, and the larger ones although they are still green are a big as a tennis ball.
In past years when they were planted outside and unable to bring in, I gathered as many as 200 green tomatoes because of frost or freeze. I wrap them in newspapers and they ripen slowly for up to 2 months. Oh, I forgot. I fertilize them about every 7-10 days with MIracle Grow for tomatoes.

Positive justmeLisa On Jun 18, 2003, justmeLisa from Brewers, KY (Zone 6b) wrote:

I have grown Merced tomatoes for many seasons and they have never let me down. The taste is very good and the fruit can get up to 10 oz. These tomatoes are excellent market tomatoes, their shape is firm and predictable, making them a top seller.

Neutral fortbend On Apr 14, 2003, fortbend from McKinney, TX wrote:

Bought this type because it was claimed that it was developed for hot ,dry Texas climate. Plant appears to tolerate heat better than most varities and produces when others stop due to heat. Usually get an extra week or two of production. Fruit has good flavor and is of a nice size for slicing. Only problem, in my opinion, is that I have found the skin to be a little on the tough side. I plant 12 to 14 plants and usually plant at least two of this variety.

Neutral jallaway On May 26, 2002, jallaway from Houston, TX (Zone 8b) wrote:

Listed by Texas A&M as one of their best picks, I've hit and miss with this one. Generally good production of medium-large fruits with decent taste.


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

Tucson, Arizona
Cedar Park, Texas
Hawkins, Texas
Mc Kinney, Texas
Pasadena, Texas
Ranger, Texas
Christiansted, Virgin Islands

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