code: 636
A wide selection of many showy herbaceous forms in white
Family: Rosaceae
Plant Classification: Hardy perennial
Minimum Height: 30 cm
Maximum Height: 60 cm
A wide selection of many showy herbaceous forms in white, yellow, orange and red, e.g. Potentilla argentea, atrosanguinea, grandiflora, hyparctica, megalantha, nepalensis, rupestris nana and several more.
Sowing advice:
For best results, sow seeds immediately onto a good soil-based compost. Cover the seeds with fine grit or compost to approximately their own depth. They can be sown at any time, and germination can sometimes be quicker if kept at 15 to 20 degrees C. However, we sow most seeds in an unheated greenhouse and wait for natural germination as many seeds have built-in dormancy mechanisms, and often wait for spring before emerging regardless of when they are sown. But spring sowing will obviously give them a full season of growth if successful germination occurs.
When to plant:
Potentilla is best planted during cooler months in spring or fall. Spring is optimal so that roots have a full growing season to become established.
Where to plant:
In a sunny site with fertile, well-draining soil that will stay evenly moist.
How to plant:
Cover the planting area with 2 inches of compost and mix into the soil 6 to 8 inches deep. Dig a hole 1-1/2 times larger than the root ball and remove the plant from the container. Gently tease out the roots if pot bound and place in the hole so the top of the root ball is just slightly higher than the soil surface. Gently tamp down soil around the base and water well. Space 3 to 6 feet apart, depending on mature size. Note: Adding compost, planting high, and watching the amount of water is especially important in clay soils.
