silver speedwell

Silver speedwell is a drought-tolerant plant species, so it does not require a lot of water. During the summer months, water the silver speedwell lightly and evenly once or twice weekly. However, when temperatures rise over 75F, water more often as needed to keep the soil moist but not soggy. During the cooler months, when the plant has gone mostly dormant, water deeply just once every 2 to 3 weeks. However, always check the soil for moisture before watering, and adjust frequency accordingly.

Silver speedwell (Veronica spicata subsp. incana) prefers full sun to partial shade and can tolerate very short amounts of shade. For optimal growth and flowering, these plants should receive at least 6 to 8 hours of full sunlight each day, ideally between the hours of 10am and 4pm. They can also tolerate slightly less sunlight and shorter days in the winter months, but will perform best when exposed to full sun. Bright sunlight can be slightly damaging or drying to these plants, so it is recommended that they get sun exposure that is more on the indirect side.

Silver speedwell (Veronica spicata subsp. incana) should be lightly pruned back in the spring after flowering, cutting back the spent flower spikes to the base of the plant. This helps to promote a bushier, more compact growth form, and also encourages reblooming. Pruning may be done again in the fall if the plant becomes quite leggy and unruly. Generally, only dead or diseased branches should be pruned at any time of year.