Tomato Hornworm: Tomato Hornworm

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Name: Brian Halse
Orange, CA (Zone 10a)
Garden Photography Hummingbirder Region: California Tomato Heads Plumerias Garden Ideas: Master Level
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Englishgardener
Apr 25, 2018 3:03 PM CST
Found on my Tomato crop last year.

Thumb of 2018-04-25/Englishgardener/1ee130

Name: Frank Mosher
Nova Scotia, Canada (Zone 6a)
Lover of wildlife (Raccoon badge) Birds Roses Clematis Lilies Peonies
Region: Canadian Photo Contest Winner: 2017 Million Pollinator Garden Challenge
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fwmosher
Apr 25, 2018 3:32 PM CST
I am just fascinated by this Tomato Hornworm, although in all my years of gardening, I have never found it on a tomato plant, but only on grape vines. I have captured them, and put them in canning jars on my deck, with small airt holes punched in the lid, and the next morning, nothing! Like they are gone or disintegrated?? Multiple tries! Nothing! I wonder what happens to them in just one night? Do you think they could have gone from caterpillar to moth in that one night? Mine were very stunning, and at least 3" long.

OldsaltPensacola
Apr 28, 2018 11:59 AM CST
I wait with great hope every year for a good crop of horn worms, they are the best bait in the world for Bass, Blue Gills, Crappie. Their skins are so tough I have caught three fish on one worm. I keep a fish tank with tomatoe volinteers form the compost pile and toss them in there untill I get a few (they freeze well).
Name: Liz Shaw
Gilbert, AZ (Sunset Zone 13) (Zone 9a)
Arizona Gardener
Enjoys or suffers hot summers Region: Southwest Gardening Region: Arizona Ponds Aquaponics Hydroponics
Herbs Container Gardener Vegetable Grower Gardens in Buckets Cactus and Succulents Miniature Gardening
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LizDTM
Apr 28, 2018 3:55 PM CST
I had a plague of them last year by this time. This year I haven't spotted any. Yet.
And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom. -Anaïs Nin
Name: Ed
Palm Springs, CA, USA (Zone 9b)
Region: California
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PalmSpringsVeg
Jun 2, 2018 6:43 AM CST
My gorgeous and amazing tomato plants were all of a sudden being devastated by T-hornworms. Every evening I would go out and pick off 8-10, including massive ones. I ended up doing the BT/potassium silicate recipe, via a short video I found on YouTube. The link is here - I am day 5 post treatment and all seems to be good - for now. Although it is supposed to be 108 here in the So. Calif. low desert today - so on to problem #2 to save the precious tomato plants.
https://www.youtube.com/watch?...

UPDATE: these b-stards are even going after my Serrano peppers - go figure!!!
Thumb of 2018-06-02/PalmSpringsVeg/a119a2

[Last edited by PalmSpringsVeg - Jun 2, 2018 8:03 AM (+)]
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Name: Rob
Glendale, AZ (Zone 9b)
Fruit Growers Cat Lover Dog Lover Region: Arizona Region: Southwest Gardening Hibiscus
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RobGlen
Jul 29, 2018 7:16 PM CST
My eggplants were nice yesterday and today I found a hornworm thoroughly enjoying them. Overnite it ate a third of the plant's foliage!
Name: Karen
New Mexico (Zone 7b)
Region: New Mexico Region: Arizona Cactus and Succulents Plant Identifier Plays in the sandbox Greenhouse
Sempervivums Bromeliad Adeniums Morning Glories Avid Green Pages Reviewer Brugmansias
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plantmanager
Jul 29, 2018 7:22 PM CST
Ouch, Rob! Take a really close look tomorrow. They can be so tiny and hide underneath the leaves. They grow really quickly by eating your plants.
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Name: Rob
Glendale, AZ (Zone 9b)
Fruit Growers Cat Lover Dog Lover Region: Arizona Region: Southwest Gardening Hibiscus
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RobGlen
Jul 29, 2018 7:37 PM CST
I found three more....Here is one.
Thumb of 2018-07-30/RobGlen/b9c729

Name: Karen
New Mexico (Zone 7b)
Region: New Mexico Region: Arizona Cactus and Succulents Plant Identifier Plays in the sandbox Greenhouse
Sempervivums Bromeliad Adeniums Morning Glories Avid Green Pages Reviewer Brugmansias
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plantmanager
Jul 29, 2018 7:45 PM CST
Keep looking. I have no idea how they find the plants, but they always do! I've never grown tomatoes without having them show up for the party.
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Name: Carl Boro
Milpitas, CA (Zone 10b)
Celebrating Gardening: 2015 Photo Contest Winner: 2015
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coboro
Apr 20, 2019 3:14 PM CST
It's a shame that they can devastate tomato plants so quickly. The adult moths are quite beautiful and are the insect equivalent of a hummingbird. They can hover, fly up, down, forwards and backwards. And they pollinate many flowers. What they take away, they give back.
And if the tomato plant is big enough, it usually survives the horn worms and even benefits form a little pruning.
Carl
[Last edited by coboro - Apr 20, 2019 3:15 PM (+)]
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