Nature days
90 days, in calendar order. Dates are for the next time each one comes around.
January
- National Bird DayJan 5
- Old Rock DayJan 7
- Earth's Rotation DayJan 8
- Houseplant Appreciation DayJan 10
- National Save the Eagles DayJan 10
- Take a Walk Outdoors DayJan 20
- Observe the Weather DayJan 25
- National Daisy DayJan 28
- National Carnation DayJan 29
- National Seed Swap DayJan 30
February
- Feed the Birds DayFeb 3
- Pluto DayFeb 18
- International Polar Bear DayFeb 27
- National Floral Design DayFeb 28
March
- National Plant a Flower DayMar 12
- National Learn About Butterflies DayMar 14
- National Backyard DayMar 19
- First Day of SpringMar 20
- Solitude DayMar 26
- Weed Appreciation DayMar 28
- Take a Walk in the Park DayMar 30
April
- National Find a Rainbow DayApr 3
- National Dandelion DayApr 5
- Big Wind DayApr 12
- National Look Up at the Sky DayApr 14
- Day of the MushroomApr 16
- National Orchid DayApr 16
- April Showers DayApr 22
- National Go Birding DayApr 24
- Audubon DayApr 26
- National Peace Rose DayApr 29
- National Arbor DayApr 30
May
- National Garden Meditation DayMay 3
- Sun DayMay 3
- National Weather Observers DayMay 4
- National Public Gardens DayMay 7
- National Windmill DayMay 8
- Bring Flowers to Someone DayMay 15
- National River Cleanup DayMay 15
- Love a Tree DayMay 16
- National Mushroom Hunting DayMay 17
- May Ray DayMay 19
- Plant Something DayMay 19
- National Pick Strawberries DayMay 20
- World Bee DayMay 20
- Endangered Species DayMay 21
- National Water a Flower DayMay 30
June
- National Trails DayJun 5
- National Red Rose DayJun 12
- National Weed Your Garden DayJun 13
- Nature Photography DayJun 15
- Arborist Appreciation DayJun 16
- World Sea Turtle DayJun 16
- Go Fishing DayJun 18
- International Surfing DayJun 19
- National Seashell DayJun 21
- Summer SolsticeJun 21
- National Meteor Watch DayJun 30
July
- Pick Blueberries DayJul 10
- National Simplicity DayJul 12
- Shark Awareness DayJul 14
- World Snake DayJul 16
- Take Your Houseplants for a Walk DayJul 27
- International Tiger DayJul 29
- Rain DayJul 29
August
- National Lighthouse DayAug 7
- World Lion DayAug 10
- World Elephant DayAug 12
- National Ride the Wind DayAug 23
- National Park Service Founders DayAug 25
September
- National Wildlife DaySep 4
- Collect Rocks DaySep 16
- First Day of FallSep 23
- National Hunting and Fishing DaySep 25
- National Public Lands DaySep 25
- Johnny Appleseed DaySep 26
October
- National Fossil DayOct 13
- National Mushroom DayOct 15
- Swallows Depart from San Juan Capistrano DayOct 23
November
- World Jellyfish DayNov 3
- National Bison DayNov 7
- Carl Sagan DayNov 9
- National Forget-Me-Not DayNov 10
- National Take a Hike DayNov 17
- National Camp DayNov 19
- Fibonacci DayNov 23
- Red Planet DayNov 28
December
- National Poinsettia DayDec 12
- Look for an Evergreen DayDec 19
- Winter SolsticeDec 21