Our Birch. Activity 3: First Leaves. Kovel. Ukraine Our Birch. Activity 3: First Leaves. Kovel. Ukraine https://www.globe.gov/c/message_boards/find_thread?p_l_id=18703103&threadId=81021259 2026-07-27T19:59:27Z 2026-07-27T19:59:27Z Our Birch. Activity 3: First Leaves. Kovel. Ukraine Nataliia Maisak https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=81021258 2021-04-22T20:08:27Z 2021-04-22T20:08:27Z Hello community!<br />The leaves of our birch grow very quickly: 1-0.5mm, 2- 0.8mm, 3-10mm, 4- 15mm.<br />The tree turns green. This is clearly seen in the Grow App.<br /><img src="https://www.globe.gov/documents/18702582/0/IMG_20210422_163949+%281%29.jpg/ae74932c-7744-852a-e180-20ba2d234d36?t=1619121985756&amp;imagePreview=1" /> Nataliia Maisak 2021-04-22T20:08:27Z