Picking out pretty plants for your fresh garden can be tons of fun, but what do those plant labels mean? The difference between annual, perennial, and biennial plants comes down to how many years they live. Annuals live for one year, biennials live for two years, and perennials live more than two years \u2014 from three years to hundreds of years.<\/p>
While it can be tempting to plant all annuals for an immediate explosion of color or only plant biennials and perennials because they live longer, the secret to long-term garden success is planting all three varieties. They each have their own garden superpowers. <\/p>
Let\u2019s dive into what defines these three plant types, some common varieties, and how to care for them.<\/p>
Annuals<\/strong> don\u2019t waste any time when it comes to giving your yard a spectacular flower show. They complete their entire life cycle in one growing season (spring to fall), germinating in the spring, blooming in the summer, and releasing seeds and dying in the fall. Not only are annuals gorgeous in your garden, but they make beautiful cut flower arrangements<\/a> to display at the kitchen table or bring to your friends. <\/p> A common misconception about annuals is that they\u2019re \u201cone and done:\u201d Once you\u2019ve enjoyed one season of them, they\u2019ll never come back. In reality, many annual plants (like poppies, cleome, snapdragons, cosmos, and amaranth) release thousands of seeds before they die. So although your original plant will die, fresh new seedlings will emerge next year.<\/p> Annuals fall into three major categories: <\/p> Most annuals can grow across the country, from USDA hardiness zone 2 (far up North) all the way to zone 11 (way down South). The \u201ctender,\u201d \u201chardy,\u201d and \u201chalf-hardy\u201d labels distinguish when plants should be planted, when they will die, and whether they can survive the frost. <\/p> Tender annuals<\/strong>, also known as summer annuals, love the heat and die when the first frost arrives. These warm-season, heat-resistant plants thrive in warm soil and air and have a very low tolerance for cooler fall temperatures. <\/p> Plant tender annuals in spring, two to three weeks after the <\/strong>final frost date<\/strong><\/a>. <\/p> Popular tender annuals:<\/strong><\/p> Hardy annuals<\/strong>, also known as winter annuals, are the most frost-tolerant annuals, giving your lawn a pop of color in late fall and winter when other plants have died. They can withstand cold weather, cold soil, and light frosts without being damaged. The trade-off? They aren\u2019t as heat-tolerant as tender annuals and may wither and die in summer when temperatures get too high.<\/p> Plant hardy annuals in fall<\/strong>, six weeks before your area\u2019s first fall frost date, or early spring<\/strong>, four weeks before your area\u2019s final spring frost date. <\/p> Popular hardy annuals: <\/strong><\/p> Half-hardy annuals<\/strong> aren\u2019t as cold-resistant as hardy annuals, but they can still tolerate cool soil and air. They\u2019re susceptible to frost damage and won\u2019t last as long into winter as hardy annuals, but they\u2019ll give your yard a few more weeks of fall foliage than tender annuals.<\/p> Plant half-hardy annuals two weeks before your area\u2019s final spring frost<\/strong> date. <\/p> Popular half-hardy annuals:<\/strong><\/p> Perennials <\/strong>grow strong year after year. While annuals die when the frost hits or during the cold winter months, perennials store up their energy and go dormant during the winter, waking up in spring. <\/p> For the first two years, perennial plants focus their growth below the soil surface, digging deep into the ground for a dense, established root system that can handle hard, frosty soil. This ensures long-term success, but it also means that most perennials don\u2019t expend their precious energy blooming in the first year. You\u2019ll have to wait until the second or third year for blossoms to appear.<\/p> That\u2019s why it\u2019s important to plant annuals alongside perennials in a new garden. You don\u2019t want to wait two years for flowers to bloom! <\/p> Perennials come in all shapes and sizes, from trees and shrubs to flowers, ornamental grass, and ground cover. Horticulturalists classify perennials into two categories: <\/p> 1. Woody<\/strong>: Trees and shrubs with tough brown stems; plants grow larger each year and do not experience seasonal dieback<\/p> 2. Herbaceous<\/strong>: Low-growing plants with soft, green stems; the top portion of the plant dies in fall and winter and grows back in spring<\/p> For gardening purposes, perennials can be classified like annuals as tender<\/strong>, hardy<\/strong>, or half-hardy,<\/strong> depending on their resistance to the cold. <\/p> Tender perennials<\/strong>, also known as summer perennials, grow as evergreens in warm southern climates, but they do not respond well to frost and require special care if grown in cooler northern regions. Typically, these plants thrive year after year in USDA hardiness zones 10 and 11 but die when the cold weather hits in cooler zones above Georgia and northern Texas.<\/p> If you live in the upper two-thirds of the country, you can plant these pretty bloomers in containers and bring them indoors before the first frost or you can grow them as annuals. <\/p> Because tender perennials behave like annuals in the majority of the country, they are often referred to as annuals.<\/p> Plant tender perennials in spring after the threat of frost<\/strong> has passed. <\/p> Popular tender perennials:<\/strong><\/p> Hardy perennials<\/strong> (aka winter perennials) are tough-as-nails plants that overwinter in snowy, icy, and freezing conditions. In cold climates, they stop growing in the winter and perk up in spring. In warmer climates, they grow as evergreens. Most hardy perennials grow in USDA hardiness zones 3 through 9. <\/p> Plant hardy perennials in early fall<\/strong> to give them time to germinate before temperatures drop. <\/p> Popular hardy perennials: <\/strong><\/p> Half-hardy perennials <\/strong>can withstand frost and freezing temperatures, but they are not as cold-tolerant as hardy perennials and may be damaged by extreme cold. These perennials grow well in the middle portion of the U.S., typically from hardiness zone 4 to zone 9 (though it varies by species). They aren\u2019t suited for the far North.<\/p> Plant half-hardy perennials in spring after the threat of frost<\/strong> has passed. <\/p> Popular half-hardy perennials: <\/strong><\/p> As the name suggests, biennials<\/strong> take two years to complete their life cycle. They spend their first year establishing roots, foliage, and food structures and their second year flowering, producing fruit, and releasing seeds before dying. <\/p> Biennials are typically more cold-hardy than annuals. In fact, the winter chill triggers their ability to bloom the next season. Many tasty veggies like kale are biennials, in which case you\u2019ll harvest leaves in the first and second seasons before letting the plant go to seed.<\/p> Biennial plants can be tricksters: Some may not survive the first winter, some may bolt<\/a> (experience their full life cycle in just one growing season), and others may live longer than two years. In general, though, you can expect plants to die in the fall of the second year and new seeds to germinate the following spring. <\/p> Plant biennials in early spring<\/strong> to give their roots time to establish before being exposed to the hot summer sun. <\/p> Popular biennials: <\/strong><\/p> We\u2019ll start with some general guidelines for plant care, and then move into the watering schedule for each plant type.<\/p> Watering schedules vary depending on how drought-tolerant your plants are, so check your plant\u2019s specific water needs. Here are the general guidelines for watering your annuals, perennials, and biennials. <\/p> Types of annuals<\/span><\/h3>
Tender annuals<\/span><\/h4>
Hardy annuals<\/span><\/h4>
Half-hardy annuals<\/span><\/h4>
Perennials<\/span><\/h2>
Types of perennials<\/span><\/h3>
Tender perennials<\/span><\/h4>
Hardy perennials<\/span><\/h4>
Half-hardy perennials<\/span><\/h4>
Biennials<\/span><\/h2>
How to care for annuals, perennials, and biennials<\/span><\/h2>
Plant care tips<\/span><\/h3>
Watering schedules<\/span><\/h3>