Plants that make up the Solidago genus are hardy perennials that range in height from 60 cm to 2.4 m (2 to 8 feet tall).
They bloom in summer through to early august, when they carry spikes of minute yellow flowers.
Solidago rugosa - Fireworks Goldenrod by F. D. Richards.
One of the most common names for Solidago is Golden Rod.
Solidago canadensis (Canada Goldenrod), photograph by Forest and Kim Starr; CC.
Solidago gigantea (Tall Goldenrod / Giant Goldenrod), photograph by yewchan; CC.
Solidago caesia (Woodland Goldenrod / Blue-stemmed Goldenrod / Wreath Goldenrod), picture by Eliza Barrett; CC.
When growing Solidago plant species such as Golden Rod outdoors from seed, then either sow before the last frost of spring or towards the end of autumn.
Once sown, lightly cover the golden rod seeds. They can be grown in either sunny or partially shaded parts of the garden, this should have good drainage.
Ideally the soil that plants grow in will be acidic to neutral (pH 5 to 7), and moist.
If starting off Solidago plants indoors, then do so about seven weeks in advance. The seeds will take about two to eight weeks to germinate at a temperature of 10 degrees centigrade (50°F).
The plants should be put outdoors in either late autumn or just before the last frost of spring. Solidago plants should be spaced at 30 cm (12 inches; small Solidago varieties) or 60 cm to 1 m (2 to 3 feet; larger species).
It is fairly easy to care for Solidago. They are tall plants, so provide a stake. Water them frequently to keep soil moist. Deadhead flowers before they have a chance to set seed. Cut back to the ground in autumn.
It is suggested to divide the plants every three years or so to maintain vigorous growth.
If you require more plants, and do not want to grow from seed, then they can be propagated through division in the spring.
The Solidago genus, also known as Goldenrod, comprises about 100 to 120 species.
Yes, Solidago species are popular garden plants, loved for their vibrant yellow flowers that brighten up gardens and landscapes.
Solidago canadensis (Canada Goldenrod) and Solidago virgaurea (European Goldenrod) are frequently grown.
While Solidago species are not typically known for their fragrance, they're highly valued for their bright, beautiful flowers.
Solidago prefers full sun to part shade and a variety of soil types. They're excellent for borders, meadows, and wild gardens.
Some Solidago species can be invasive, particularly Solidago canadensis, in certain parts of the USA. Always consult local guidelines.
To remove Solidago, carefully uproot the plant, ensuring to remove all of the root system to prevent regrowth.
The Solidago genus (Goldenrod) includes a variety of perennial plants native to North America, South America, and Eurasia. They are known for their showy, yellow flower clusters and are often associated with late summer and fall.
To grow Solidago, plant seeds, cuttings, or divisions in spring. They thrive in full sun to partial shade and prefer well-drained soil. Although they are drought-tolerant once established, they prefer regular watering and can be divided every few years to maintain plant health.
I hope that you enjoyed this guide on how to grow Solidago plants. You may also enjoy the following Gardener's HQ growing guides: How to grow Townsendia, Cornus kousa, Yucca rostrata, and Ageratum plants.