Erythranthe guttata thrives in consistently moist soil, mimicking its native boggy habitats. Water thoroughly when the top centimeter of soil begins to dry out.

Avoid letting the plant sit in standing water, which can lead to root rot. Reduce watering slightly during cooler, dormant periods.

Pruning is minimal for Erythranthe guttata, primarily focused on removing spent flower stalks and any yellowing or dead foliage. This encourages continuous blooming and maintains a tidy appearance.

Trim back leggy growth in late summer to promote a more compact form for the following season.

Erythranthe guttata is easily propagated by division in early spring. Carefully divide established clumps into smaller sections, ensuring each section has roots and at least a few shoots.

Alternatively, collect seeds from mature seed pods and sow them on the surface of moist soil, keeping them consistently damp.

Repot Erythranthe guttata every 1-2 years or when the plant becomes root-bound. Use a well-draining potting mix, ideally one that retains some moisture.

Spring is the ideal time for repotting, coinciding with the start of active growth, allowing roots to establish before the summer heat.