Species meadow rue
light-green leaves and stems

meadow rue

Thalictrum squarrosum

Meadow Rue (Thalictrum squarrosum) is an upright perennial herb native to the northern United States. Growing up to 4 feet in height, the delicate airy stems are clothed with divided, fern like foliage. Its yellowish-green pinnate leaves turn to shades of red, yellow and purple in autumn months. This tall plant produces showy white, clustered flowers in summer. Overall, meadow rue adds a beautiful delicate texture to any garden landscape.

Cycle:

Herbaceous Perennial

Watering:

Average

Propagation:

Division,Root Cutting,Seed Propagation,Layering Propagation

Hardiness Zone:

5 - 9

Flowers:

Yellow-green Flowers

Sun:

Full sun,part shade

Leaf:

Yes

Leaf Color:

green,yellow

Growth Rate:

Low

Maintenance:

Moderate

Drought Tolerant:

Yes

Care Level:

Medium

watering

Meadow Rue (Thalictrum squarrosum) is a perennial plant that requires regular watering to thrive. It grows best in areas with rich, moist soil and a regular supply of water. During spring and summer, when the plant is actively growing, it should be watered regularly and deeply. Water thoroughly, allowing the soil to become slightly moist between waterings. During fall and winter, reduce watering to approximately once every 2 weeks, as the plant enters a dormant stage. Make sure the soil does not become soggy, as this can lead to root rot and other issues.

sunlight

Meadow Rue (Thalictrum squarrosum) grows best in partial sun. For optimum growth, it should receive 4 to 5 hours of direct sunlight each day, preferably in the early morning. Morning sun helps to dry the foliage, while dappled sunlight helps to protect it from the harsh afternoon heat. Full sun should be avoided with this species, as it tends to cause foliage burn and drying.

pruning

Meadow Rue (Thalictrum squarrosum) should be pruned once a year, preferably in late winter or early spring, just as the plant begins to sprout new leaves. Pruning the dead or diseased stems and branches will keep the plant healthy and encourage new growth. If you wait until late spring or early summer, the plant will have already created its flowers and seed heads, making pruning more difficult. When you prune, start by removing any dead or diseased branches to eliminate the risk of spreading disease to healthy branches. Then, cut away any spent flowers or seed heads to keep the plant looking neat. You can also prune some of the excess growth back to the crown of the plant, thinning out stems and branches that are growing too close together or overhang. Be careful not to over-prune, as this can weaken the plant. In general, meadow rue should be pruned to retain its natural, rounded form, making sure to leave enough space between branches to allow for plenty of sunshine and ventilation.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Thalictrum squarrosum typically starts flowering in late spring, usually in May or June.

Starts Flowering

Thalictrum squarrosum typically starts flowering in late spring, usually in May or June.

Hardiness Map