2024年6月25日 · Ageratum is a classic garden annual and one of the best annuals for cutting. Sometimes called a floss flower, it has playful, small blooms that resemble tiny pom-poms covered with floss-like filaments. It also offers a rare color in the flower world: blue, perfect for patriotic plantings.

Learn how to grow ageratum. With its whimsical pompom-shaped flowers, this heat-loving annual is perfect for containers, baskets, and edging flower beds.

Ageratum (/ ə ˈ dʒ ɛr ə t ə m /) [2] (whiteweed in the US) is a genus of 40 [3] to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Most species are native to Central America and Mexico but four are native to the United States.

藿香蓟（ Ageratum conyzoides L.），菊科霍香蓟属 一年生草本植物 ，无明显主根；茎粗壮，底部径4毫米，茎枝淡红色，或上部绿色覆盖白色尘状短柔毛；叶对生，叶片卵形或长圆形；藿香蓟花序伞房状，总苞钟状或半球形，苞片长圆形或披针状长圆形；花冠长外面 ...

2022年10月7日 · Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or white—with blue being most common. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. More than 60 cultivars of the blue ageratum flower are available, often reaching only 6 to 8 inches (15-20 cm.) when fully grown.

Confused with ageratums that are perennials with tall, erect stems and leaves well-spaced out, but similar in appearance with leaves and flowers. This plant is moderately drought tolerance but prefers rich, moist, well-drained soil as well as full sun. It is good for beds and containers, blooming from spring to frost.

Often referred to as Floss Flower, Ageratum’s all season flowering power and unique pom-pom style blooms provide plenty of pop wherever it grows. And, depending on the variety, it can be perfect for filling large spaces in flowerbeds, containers or hanging baskets. In fact, ageratum can be found in a wide swath of growing habits.

藿香薊 （學名： Ageratum conyzoides）是 菊科 藿香薊屬 一種原產於美洲熱帶地區，特別是 巴西 的 一年生 草本植物，其頑強的生命力在其他地區常被視為 入侵 雜草。 越南语 稱呼本物種為「豬屎草」（Cứt lợn），因為這種植物會在骯髒的地方生長。 這種植物株高約0.5–1米，長2–6厘米、寬1-3厘米的卵形或三角形 對生 葉片， 花 為 白色 到淺 洋紅色 [2] 或 淺藍色 [3]，由多朵細小的管狀花聚生而成 [3]。 披白色柔毛，揉碎後有異臭 [3]。 果實為黑色線狀 瘦果 [4]。 它們喜曬 太 …

Ageratum is one of the few annuals with a truly blue flower. The soft fuzzy flowers are dainty and feathery, often delightfully fragrant, and usually completely cover the plants. Each flower cluster consists of five to 15 tubular florets. A field in Costa Rica with wild ageratum in bloom.

Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Features fluffy flowers (basically asters with ray flowers absent) in flattened to slightly rounded clusters atop compact, mounded plants generally ranging ...