Canada wild lettuce prefers consistently moist soil but can tolerate some dryness once established. Water deeply when the top 2-3 cm of soil feels dry. Avoid overwatering, which can lead to root rot.

Reduce watering frequency during cooler months.

Pruning is typically not required for Canada wild lettuce. Removing spent flower stalks can prevent unwanted reseeding if the plant is growing in an undesirable location.

If harvesting for consumption, cut the stems near the base. Wear gloves as the sap can be irritating.

Propagation is primarily by seed. Seeds can be sown directly outdoors in early spring or fall. Germination is enhanced by a period of cold stratification.

Plants will readily self-seed in suitable conditions, making propagation quite easy.

Repotting is not applicable to this wild species, as it is typically grown from seed directly in the ground or allowed to self-seed. It is an annual or biennial plant that completes its life cycle and often dies back after setting seed.