1 00:00:01,070 --> 00:00:03,260 - [Mark] This is Mark Isselhardt, Maple Specialist 2 00:00:03,260 --> 00:00:05,220 with University of Vermont Extension 3 00:00:05,220 --> 00:00:07,270 and this is another Vermont Maple Minute. 4 00:00:08,120 --> 00:00:10,800 Sugar makers and community members alike have noticed 5 00:00:10,800 --> 00:00:14,400 a large number of sugar maple seedlings this spring. 6 00:00:14,400 --> 00:00:16,650 These first year trees were the result 7 00:00:16,650 --> 00:00:19,183 of a large seed year in 2019. 8 00:00:20,210 --> 00:00:22,210 Sugar maples begin producing seed 9 00:00:22,210 --> 00:00:26,280 when they're about 40 years old or eight inches in diameter. 10 00:00:26,280 --> 00:00:28,680 Trees produce some seed every year 11 00:00:28,680 --> 00:00:30,730 but exceptionally large amounts of seed 12 00:00:30,730 --> 00:00:32,970 every two to five years. 13 00:00:32,970 --> 00:00:35,730 Seed production becomes greater as the tree grows 14 00:00:35,730 --> 00:00:37,270 and mature trees can produce 15 00:00:37,270 --> 00:00:40,340 thousands of seeds in big years. 16 00:00:40,340 --> 00:00:42,690 Mature stands of sugar maple are capable 17 00:00:42,690 --> 00:00:45,163 of producing millions of seeds per acre. 18 00:00:46,270 --> 00:00:49,500 Maple seeds are winged and produced in pairs, 19 00:00:49,500 --> 00:00:51,620 also known as samaras. 20 00:00:51,620 --> 00:00:55,233 Usually only one side of the double samara is viable. 21 00:00:56,170 --> 00:00:59,200 When the seed is ripe, after about 12 weeks, 22 00:00:59,200 --> 00:01:02,913 it is dispersed by the wind by as much as 300 feet. 23 00:01:03,940 --> 00:01:06,843 Maple seeds are an important source of wildlife food. 24 00:01:07,690 --> 00:01:11,510 Sugar maple seeds have a high natural rate of germination 25 00:01:11,510 --> 00:01:13,850 but need temperatures just above freezing 26 00:01:13,850 --> 00:01:17,513 for about 35 to 90 days in order to start growing. 27 00:01:18,470 --> 00:01:20,250 Of the seeds that do germinate 28 00:01:20,250 --> 00:01:23,313 only a small percentage will survive the first year. 29 00:01:24,560 --> 00:01:26,810 This is Mark Isselhardt, Maple Specialist 30 00:01:26,810 --> 00:01:28,800 with the University of Vermont Extension, 31 00:01:28,800 --> 00:01:31,150 and this has been another Vermont Maple Minute.