Trim lightly after flowering
Divide mature clumps in the spring
Easier to care for if grown in containers. This plant will reseed readily, so if you don’t want volunteer seedlings the flower spikes should be trimmed as soon as flowers are spent.
Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Keep in mind when planting that Ostfriesland is thought of as hardy, so Ostfriesland will tend to go dormant or grow slowly over the winter months. Ostfriesland needs a loamy and clay soil with a ph of 6.0 to 8.0 (weakly acidic soil to weakly alkaline soil).Can be grown from seed but quicker from cuttings and easiest from division of a mature plant
Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.By our calculations, you should look at sowing Ostfriesland about 84 days before your last frost date.
Choose a sunny well drained spot, in the middle to the front of the border
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Ostfriesland is a hardy plant.-
Also sold as x. superba or x. sylvestris.
East Friesland, salvia