I Love Pantheon Squash

Aug 3, 2019 | Love This!

Name: Pantheon F1 Squash

Type of Plant: A Costata Romanesco type squash with a more contained, upright plant, fewer prickly spines and earlier, higher yields. The same classic ribbed zucchini squash, great flavor and robust growth as the Costata Romanesco. 

Why I Love/Hate this plant: I’ve been impressed with this summer squash so far. It was the first squash to form zucchini in my garden and I’m now harvesting two or three every two days from three plants.

I planted seeds from Johnny’s directly in the ground.

A Word to the Wise: Like all summer squash, you have to be on guard for powdery mildew. We spray all of our plants once a week with one of the bacterial based fungicides such as Serenade or Revitalize. It’s easier to fight PM before the plant has the problem.

Here are a few of the squash I harvest every two days. Strong recommendation: pick summer squash every other day so you can eat the smaller, most flavorful and tender ones. Do not ignore them for several days or you’ll have squash better suited for door stops. From left to right: Pantheon, Zephyr, and Green Machine. All planted from Johnny’s seeds.


  1. Luanne Sarkisian

    I found something that works MUCH better on powdery mildew than any spray. Milk spray. The trick is to spray it when 1st signs appear & spray in the sun or just about when sun will be on them. Believe me Ive tried EVERYTHINH & I MEAN EVERYTHING even stuff from farmers catalogs. Nothing works like milk. I believe its the lactic acid that really kulks it when the sun hits it. Once I find PM I hit it at MOST once a week sometimes it doesn’t even need it but I do it anyway. Really drench the leaves, stalks & GROUND around & under the plant. I know you wont be sorry. Also I always make it stronger than they say so uf calls for 1 cup per gallon I do 2 cups. Its natural so wont hurt your plants.

    • CL Fornari

      Luanne, I have tried milk and it didn’t work for me. Maybe I didn’t apply enough? I was also nervous about what bacteria might grow on the vegetables. I’ll have to look into the science of this before I can recommend it to others. Thanks for the suggestion!


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