Gardening is more than a hobby—it’s a celebration of growth, nature, and the changing seasons. To help you stay inspired throughout the year, we’ve compiled plant, flower, gardening, agriculture, pollinator, and nature-related holidays and observances in the United States for 2026.
Use this calendar to plan garden projects, celebrate your favorite plants, support pollinators, visit public gardens, or simply find another reason to spend time outside.
Originally published January 1, 2018 | Updated September 30, 2026
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2026 Plant & Gardening Calendar
2026 Gardening Holiday Highlights
March 12 Plant a Flower Day
April 22 Earth Day
April 24 National Arbor Day
May 20 World Bee Day
June 22–28 Pollinator Week
August 22–30 National Park Week
Plant & Gardening Holidays by Month
January 2026
| Date | Holiday | Notes |
|---|---|---|
| 01/04 | Free Flower Basket Day | Start the year with flowers. |
| 01/06 | National Bean Day | Celebrate beans and legumes. |
| 01/06 | Apple Tree Day | Celebrate apple trees and orchards. |
| 01/10 | Houseplant Appreciation Day | Give your indoor plants some extra attention. |
| 01/19 | National Popcorn Day | Celebrate one of the garden's most popular grains. |
| 01/28 | Daisy Day | Celebrate daisies. |
| 01/29 | National Carnation Day | Enjoy carnations in the garden or vase. |
| 01/31 | National Seed Swap Day | Exchange seeds with fellow gardeners. |
February 2026
| Date | Holiday | Notes |
|---|---|---|
| 02/01–28 | National Cherry Month | Celebrate cherries and cherry trees all month. |
| 02/05 | National Primrose Day | Celebrate colorful primroses. |
| 02/28 | Floral Design Day | Celebrate floral arranging and design. |
March 2026
| Date | Holiday | Notes |
|---|---|---|
| 03/01–31 | National Peanut Month | Celebrate peanuts and peanut plants. |
| 03/03 | Peach Blossom Day | Celebrate peach blossoms. |
| 03/11 | Johnny Appleseed Day | Remember legendary apple planter John Chapman. |
| 03/12 | Plant a Flower Day | A perfect excuse to start spring flowers. |
| 03/12 | Popcorn Lovers Day | Celebrate popcorn and corn growing. |
| 03/13 | Solar Appreciation Day | Appreciate the sunlight that powers plant growth. |
| 03/15–21 | National Agriculture Week | Celebrate agriculture and the people who grow our food and plants. |
| 03/20 | Spring Equinox | Astronomical beginning of spring in the Northern Hemisphere. |
| 03/21 | International Day of Forests | Celebrate forests, trees, and their importance worldwide. |
| 03/21 | National Flower Day | Celebrate flowers and flowering plants. |
| 03/21 | World Planting Day | Plant something new. |
| 03/21 | National Fragrance Day | Enjoy fragrant flowers and plants. |
| 03/21 | Daffodil Day | Celebrate one of spring's best-known flowers. |
| 03/26 | National Spinach Day | Celebrate this productive leafy green. |
April 2026
| Date | Holiday | Notes |
|---|---|---|
| 04/01–30 | Earth Month | A month focused on environmental awareness. |
| 04/01–30 | National Native Plant Month | Celebrate native plants and the ecosystems they support. |
| 04/01–30 | Lawn & Garden Month | Focus on spring lawn and garden care. |
| 04/01–30 | Keep America Beautiful Month | Participate in community beautification and cleanup. |
| 04/05 | National Dandelion Day | Celebrate this familiar flowering plant. |
| 04/06 | California Poppy Day | Celebrate California's state flower. |
| 04/13 | Plant Appreciation Day | Show your plants a little extra appreciation. |
| 04/14 | National Gardening Day | Spend time planting, planning, or working outside. |
| 04/19 | National Garlic Day | Celebrate garlic in the garden and kitchen. |
| 04/22 | Earth Day | Celebrate environmental stewardship and the planet. |
| 04/24 | National Arbor Day | Plant, appreciate, and care for trees. |
| 04/29 | Peace Rose Day | Celebrate the famous Peace rose. |
May 2026
| Date | Holiday | Notes |
|---|---|---|
| 05/01 | May Day / International Sunflower Guerrilla Gardening Day | Celebrate spring and sunflowers. |
| 05/02 | World Naked Gardening Day | A quirky first-Saturday-of-May gardening tradition. |
| 05/02 | National Herb Day | Celebrate culinary and ornamental herbs. |
| 05/03–09 | National Herb Week | A week devoted to herbs and their many uses. |
| 05/08 | National Public Gardens Day | Visit and support public gardens. |
| 05/08 | Iris Day | Celebrate iris flowers. |
| 05/09 | Bird Day | Appreciate the birds that share our gardens. |
| 05/13 | Tulip Day | Celebrate spring-blooming tulips. |
| 05/15 | Bring Flowers to Someone Day | Share flowers with someone special. |
| 05/18–24 | National African Violet Week | Celebrate African violets. |
| 05/19 | Plant Something Day | Plant a flower, herb, vegetable, shrub, or tree. |
| 05/20 | World Bee Day | Support bees and other important pollinators. |
| 05/20 | Flower Day | Celebrate flowers of every kind. |
| 05/20 | Pick a Strawberry Day | Harvest or enjoy fresh strawberries. |
| 05/29 | Composting Day | Turn garden and kitchen waste into useful compost. |
| 05/30 | Water a Flower Day | Give thirsty plants the water they need. |
June 2026
| Date | Holiday | Notes |
|---|---|---|
| 06/05 | World Environment Day | Promote environmental awareness and action. |
| 06/06 | National Gardening Exercise Day | Combine gardening with healthy movement. |
| 06/07–13 | National Garden Week | Celebrate gardening in communities across the country. |
| 06/10 | Herbs & Spices Day | Celebrate flavorful herbs and spices. |
| 06/12 | Red Rose Day | Celebrate red roses. |
| 06/13 | Weed Your Garden Day | Spend a little time getting weeds under control. |
| 06/16 | Fresh Veggies Day | Celebrate fresh vegetables from garden to table. |
| 06/17 | Eat Your Veggies Day | Enjoy vegetables from the garden or farmers market. |
| 06/20 | Summer Solstice | Astronomical beginning of summer in the Northern Hemisphere. |
| 06/22–28 | Pollinator Week | Support bees, butterflies, hummingbirds, and other pollinators. |
| 06/22 | World Rainforest Day | Celebrate the world's rainforests. |
| 06/27 | National Orange Blossom Day | Celebrate fragrant citrus blossoms. |
July 2026
| Date | Holiday | Notes |
|---|---|---|
| 07/01–31 | National Blueberry Month | Celebrate blueberries all month. |
| 07/06 | Build a Scarecrow Day | A fun garden activity. |
| 07/08 | National Blueberry Day | Celebrate blueberry plants and fruit. |
| 07/10 | Pick Blueberries Day | Harvest fresh blueberries. |
| 07/11 | National Blueberry Muffin Day | Put the blueberry harvest to good use. |
| 07/27 | Take Your Houseplants for a Walk Day | One of the year's more unusual houseplant holidays. |
August 2026
| Date | Holiday | Notes |
|---|---|---|
| 08/01–31 | National Peach Month | Celebrate peaches and peach trees. |
| 08/02–08 | National Farmers Market Week | Support growers and local farmers markets. |
| 08/03 | National Watermelon Day | Celebrate a favorite summer garden crop. |
| 08/08 | Sneak Some Zucchini Onto Your Neighbor’s Porch Day | A humorous tradition for peak zucchini season. |
| 08/15 | National Honey Bee Day | Support honey bees and pollinator habitat. |
| 08/22–30 | National Park Week | Explore and celebrate America's national parks. |
| 08/25 | National Park Service Birthday | The National Park Service celebrates its 110th birthday in 2026. |
| 08/29 | More Herbs, Less Salt Day | Use garden herbs to add flavor to meals. |
September 2026
| Date | Holiday | Notes |
|---|---|---|
| 09/01–30 | National Fruits & Veggies Month | Celebrate fruits, vegetables, and edible gardening. |
| 09/13 | National Peanut Day | Celebrate peanuts. |
| 09/14–20 | National Indoor Plant Week | Give houseplants the spotlight. |
| 09/16 | Mayflower Day | A historical observance included on many garden calendars. |
| 09/17 | National Planting Day | Add something new to the garden. |
| 09/20 | Eat an Apple Day | Celebrate apples and apple season. |
| 09/22 | Autumn Equinox | Astronomical beginning of fall in the Northern Hemisphere. |
| 09/26 | Johnny Appleseed Day | Remember American apple-tree pioneer John Chapman. |
| 09/26 | National Public Lands Day | Volunteer, explore, and help care for public lands. |
| 09/28 | National Good Neighbor Day | Share plants, produce, seeds, or gardening goodwill. |
October 2026
| Date | Holiday | Notes |
|---|---|---|
| 10/01 | World Vegetarian Day | Celebrate plant-based foods. |
| 10/01 | National Kale Day | Celebrate this cold-tolerant leafy green. |
| 10/12 | Old Farmer's Day | Recognize farmers and agricultural traditions. |
November 2026
| Date | Holiday | Notes |
|---|---|---|
| 11/01 | World Vegan Day | Celebrate plant-based living. |
| 11/10 | Forget-Me-Not Day | Celebrate the familiar forget-me-not flower. |
December 2026
| Date | Holiday | Notes |
|---|---|---|
| 12/01 | National Eat a Red Apple Day | Enjoy a fresh apple. |
| 12/05 | World Soil Day | Celebrate healthy soil and its importance to plants and food production. |
| 12/12 | Poinsettia Day | Celebrate one of the most recognizable holiday plants. |
| 12/14 | Green Monday | A seasonal shopping observance held on the second Monday in December. |
| 12/21 | Winter Solstice | Astronomical beginning of winter in the Northern Hemisphere. |
Seasonal Gardening Tips
Spring Plant flowers, prepare soil, divide perennials, and prune appropriate shrubs.
Summer Water deeply, harvest edible crops, deadhead flowers, and monitor for pests.
Fall Plant bulbs, trees, shrubs, and perennials while preparing gardens for winter.
Winter Care for houseplants, plan next year's garden, order seeds, and enjoy indoor greenery.
About these dates: Some gardening holidays are official national or international observances, while others are informal gardening traditions. Dates for recurring observances can change from year to year. This calendar has been updated for 2026. If you spot an error or know of another plant-related holiday we should include, please contact us.