Yup I have had some of those 7 to 10 ft tall plants. BUT my 5 ft Red Brandywines give 1 1/2 to 2 1/2 lb fruits My 8 ft best was 7 1/2 oz, about 8 per plant. My 5 ft Sweet Orange Cherry tomatoes yeild about 6 qts per plant My 8 footers less than 2. Byron