Lithospermum latifolium
TAXONOMY
FamilyBoraginaceae
GenusLithospermum
Zone5
LEARN MORE
Plants of the World OnlineABOUT
Lithospermum latifolium, commonly known as broadleaf gromwell, is a perennial herb in the Boraginaceae family. It is native to North America and typically found in open woods and prairies. The plant has a dormancy period during the winter months.
ALSO KNOWN AS
American Gromwell
Cyphorima Lutea
Cyphorima latifolium
Lithospermum hypocrateriforme
Lithospermum lutescens
Lithospermum luteum
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Broadleaf gromwell prefers bright, direct sunlight and moderate temperatures. It thrives in environments with moderate humidity. Water the plant when the soil is almost completely dry, and ensure it has good air circulation.Soil
This plant prefers well-draining loamy soil with a slightly acidic to neutral pH. Ensure the soil dries out almost completely between waterings to prevent root rot.Fertilizer
Use a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize the plant during the growing season, typically in spring and summer, to support healthy growth.Repotting
Repot the plant every 2-3 years or when it outgrows its current container. Choose a pot that is slightly larger than the current one and ensure it has good drainage. Repotting is best done in early spring before the growing season begins.Propagation
Propagate broadleaf gromwell through seeds or cuttings. Seed propagation is best done in the spring, while cuttings can be taken in late spring or early summer. Ensure the cuttings have at least two nodes and plant them in a well-draining soil mix.Pruning
Prune the plant in late winter or early spring to remove any dead or damaged growth. This helps to maintain the plant's shape and encourages new growth. Regular pruning can also prevent the plant from becoming too leggy.Toxicity
Lithospermum latifolium is not known to be toxic to pets or humans. However, it is always best to keep plants out of reach of pets and children to prevent any accidental ingestion.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
