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Tomatoes: A not-so-scientific growing experiment. Week 6 update

Updated: Jan 19, 2023

The tomato plants fell the other way?!? Well, only one—shame on me for not securing plant 9 in both directions since we are in a windy area.

Tomato plants in various amounts of compost and topsoil
Week 6 update: compost / topsoil experiment

Overall, the plants are doing great and there are so many little tomatoes growing. I cleaned out a few weeds that were growing in the compost / soil mix as well as some dead lower branches from the plant.


What I found most surprising this week is just how much plants 11 and 12 caught up to the rest. They were a smaller starting size than tomato plants 1-10 (the store didn’t have any more of the larger tomato plants). Now, they are the same height as the rest of the tomato plants, are almost as full, and have started to bloom as many tomatoes. In hindsight, I wish I had done all small plants since it would have saved money and allowed more of the plants’ growth to be in the various compost and topsoil mixes.


Here are this week’s stats:


Plant 1:

0% compost, 10% topsoil

Height start: 14.5”

Height today: 53.5”

Growth: 269%


Plant 2:

10% compost, 90% topsoil

Height start: 16”

Height today: 50.5”

Growth: 216%


Plant 3:

20% compost, 80% topsoil

Height start: 14”

Height today: 36.5”

Growth: 161%


Plant 4:

30% compost, 70% topsoil

Height start: 14”

Height today: 45”

Growth: 221%


Plant 5:

40% compost, 60% topsoil

Height start: 16.5”

Height today: 50.5”

Growth: 206%


Plant 6:

50% compost, 50% topsoil

Height start: 16.5”

Height today: 47”

Growth: 185%


Plant 7:

60% compost, 40% topsoil

Height start: 14.5”

Height today: 53”*

Growth: 266%*

The plant fell over in week 5 and had about 10 inches of sideways growth that is not reflected in the numbers.


Plant 8:

70% compost, 30% topsoil

Height start: 13.5”

Height today: 52.5”

Growth: 289%


Plant 9:

80% compost, 20% topsoil

Height start: 13”

Height today: 48”*

Growth: 269%*

The plant fell over in week 5 and had about 10 inches of sideways growth that is not reflected in the numbers.


Plant 10:

50% compost, 50% topsoil

Height start: 15”

Height today: 42”

Growth: 180%


Plant 11:

40% compost, 60% topsoil

Height start: 10”

Height today: 46.5”

Growth: 365%


Plant 12:

30% compost, 70% topsoil

Height start: 10”

Height today: 49.5”

Growth: 395%



About us

Freestate Farms makes premium landscaping products—compost, topsoil, and mulch—by recycling food and yard waste in Manassas, VA. Our composts, topsoil, and mulches are specially designed to increase the health and productivity of local soils, and with our focus on sustainable practices, this lets the environment and your garden grow good, together. We sell bulk compost, bagged compost, bulk natural mulches, bulk dyed mulches, bagged dyed mulches, and bulk topsoil.

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