Clematis patens requires consistent moisture, especially during its active growing and flowering periods. Water deeply once or twice a week, ensuring the soil remains evenly moist but not waterlogged. Reduce watering frequency during cooler, dormant months. Mulching around the base helps retain soil moisture and keep roots cool.

Clematis patens can be propagated through semi-hardwood cuttings taken in late spring or early summer. Select healthy, non-flowering stems, cut below a node, and remove lower leaves. Dip the cut end in rooting hormone and plant in a well-draining propagation mix. Layering is also an effective method.

As a climbing vine, Clematis patens is typically grown in the ground. If grown in a container, repotting may be necessary every 2-3 years into a slightly larger pot with fresh, rich potting mix. Ensure the new pot has excellent drainage. Repot in early spring before active growth begins.