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Planting Instructions by Flower Name
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At-A-Glance:
- Hardy Zones: 4-9
- Spacing: 12-18"
- Height: 10-16"
- Blooms: Early summer
- Planting Depth: crown level with soil surface
Johnson's Blue Geraniums
Geranium himalayense x pratense
About:
Johnson’s Blue is a hybrid of Geranium himalayense, a native of China. It happily weaves between other plants, pumping out cheery periwinkle blossoms for weeks on end. It makes a good ground cover and border perennial. Easy to grow, it is a good choice for beginning gardeners. As an added bonus, it attracts bees and butterflies.
Planting:
Plant the crown, the place where the shoots and the roots meet, level with the soil surface and 12-18” apart in a sunny location. Plant with the roots horizontal in the soil. Water well. Although Johnson’s Blue is drought tolerant, it prefers well-drained soil.
Maintenance:
Cut the flower stems and any rough-looking foliage to the ground after flowering to encourage plants to produce fresh foliage. Beginning in the second year, plants often produce a second flush of flowers later in the season, especially if they are cut back after the first flowering.
Over-wintering:
Johnsons’ Blue is quite hardy and will overwinter well, except in the coldest areas. Lay down a 2” layer of mulch to retain moisture and provide protection during the winter months, especially in zone 4. The foliage will turn beautiful shades of orange and red in the autumn.

