Growth Over Time - Mammillaria baumii

[WayneByerly]

Barely 33mm wide when I first acquired it, and it has not been a rapid grower. If you flip back and forth between 2013 and 2018, you can see that it has put on size. I started taking pictures of this cactus using an American dime for scale. And 2014, switched to a quarter (23mm). So you can tell, that even though the first two years look almost exactly the same, the change in coin sizes reveals the truth of the growth ... that it IS bigger.

2013 (side)
About 3 coins wide.

2013-07-29 Mammillaria baumii.jpg (132.75 KiB) Viewed 1234 times

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2014 (side)
Still three coins wide, but now they are quarters.

2014-05-19.jpg (108.67 KiB) Viewed 1234 times

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2015 (side & top)
I started providing both views of cacti this year. Both side and top views to show the plants structure and its size in both dimensions.

2015-12-27 1 097.jpg (124.17 KiB) Viewed 1234 times

2015-12-27 2 098.jpg (87.9 KiB) Viewed 1234 times

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2016 (side & top)
Something like 4.5 coins wide.

2016-10-05 1 DSCF6831.jpg (96.61 KiB) Viewed 1234 times

2016-10-05 2 DSCF6833.jpg (96.52 KiB) Viewed 1234 times

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2017 (side & top)
Now nearly six coins wide. It IS growing. The colors of the cactus in this year and the next year look decidedly yellow. But that is an artifact of the photography ... over lighting conditions I think. The cactus is actually much greener than the pictures suggest.

2017-12-28 1 DSCF3277.jpg (102.08 KiB) Viewed 1234 times

2017-12-28 2 DSCF3276.jpg (110.82 KiB) Viewed 1234 times

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2018 (side & top)
The two 2018 pictures are barely two months older than the 2017 pics. I got to the 2017 pictures late in the year. Not much growth evident in two months.

2018-02-08 1 DSCF3744.jpg (104.86 KiB) Viewed 1234 times

2018-02-08 2 DSCF3743.jpg (118.56 KiB) Viewed 1234 times