Geranium nodosum
knotted cranesbill
An incredibly adaptable and undemanding plant, which makes excellent groundcover for borders and slopes.
Geranium nodosum is also one of the best geraniums for dry shade, so is ideal for underplanting established trees and shrubs. The flowers are slightly variable in colour, being a mixture of purple and pink, and they often appear over several months from early summer.
Geranium nodosum is also one of the best geraniums for dry shade, so is ideal for underplanting established trees and shrubs. The flowers are slightly variable in colour, being a mixture of purple and pink, and they often appear over several months from early summer.
How to care for Geranium nodosum:
Incorporate plenty of organic matter when planting and water well in dry weather, especially newly established plants. Apply a generous 5-7cm (2-3in) mulch of well-rotted manure or garden compost around the plant to help seal in moisture, feed the soil, and reduce the need for weeding.
Deadhead spent flowers regularly to encourage continuous blooming. If the plant becomes too leggy or untidy later in the season, trim lightly to encourage fresh growth and more flowers.
During the first growing season, regular watering is crucial to establish deep roots, but once established, hardy geraniums show commendable drought tolerance. A feed of balanced, slow-release fertiliser in spring will support its prolific blooming.
One of the many virtues of this perennial geranium is its resistance to pests and diseases, making it a low-maintenance choice for gardeners. To encourage a second flush of blooms, trim the plant back by one-third in midsummer (aka ‘The Chelsea Chop’).
At the end of the growing season, cut it back to ground level in late autumn or early spring. Every 3-4 years, consider dividing the plant in spring to maintain its vigour.
Deadhead spent flowers regularly to encourage continuous blooming. If the plant becomes too leggy or untidy later in the season, trim lightly to encourage fresh growth and more flowers.
During the first growing season, regular watering is crucial to establish deep roots, but once established, hardy geraniums show commendable drought tolerance. A feed of balanced, slow-release fertiliser in spring will support its prolific blooming.
One of the many virtues of this perennial geranium is its resistance to pests and diseases, making it a low-maintenance choice for gardeners. To encourage a second flush of blooms, trim the plant back by one-third in midsummer (aka ‘The Chelsea Chop’).
At the end of the growing season, cut it back to ground level in late autumn or early spring. Every 3-4 years, consider dividing the plant in spring to maintain its vigour.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
0.5m
Eventual spread:
0.5m
Position:
Full sun / light shade / shade
Rate of growth:
Average
Soil:
Moderately fertile, moist, well-drained soil
Hardiness:
Fully hardy
-
This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.
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