How to Grow and Care for Meconopsis

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The Meconopsis genus contains short lived hardy perennials that reach a height of 1 to 5 feet (30 cm to 1.5 m). They carry poppy like flowers that can bloom in spring, summer or the start of autumn (species dependent). Many Meconopsis species are known for their blue poppy like flowers but they can also carry flowers of many other colors including white, orange, pink and yellow. Some of the common names for Meconopsis include Welsh Poppy, Asiatic Poppy, Blue Poppy and Harebell Poppy.

The Blue Poppy is the national flower of Bhutan. Welsh poppies can be invasive.

Growing Conditions and General Care

Full sunlight (cool areas only); full or partial shade. Acidic soil. Add grit to heavy soils. Nutrient-rich soil, add manure, leaf matter or compost if necessary. Moist soil. Supply mulch of manure of bark chippings when planting to help maintain moisture; do not cover the crowns. Regular watering during dry periods in summer to keep the soil moist. No need to water in the winter as the plant prefers a dry soil whilst resting. Cut back to the ground in autumn. Replace regularly as Meconopsis do not live for long time.

How to Grow from Seeds

The seeds of the Meconopsis should be sown on the surface; this can wither be done just before the last frost of spring or towards the end of autumn. Blue Poppies prefer to grow in a shady or partially shady part of the gardens but can tolerate sunny areas in milder climates. They like a rich acidic soil, ideally the soil should be kept moist in the summer, but allowed to dry in the winter.

Meconopsis

Photo via glendoick.com

When starting Blue Poppy off indoors do so about two months in advance. The Meconopsis seeds should be sown in vermiculite. It should take about two to four weeks for blue poppy to germinate at 54 to 64 degrees Fahrenheit (12 to 18 degrees Celsius). Once growing the seedlings should be watered from beneath. Once ready transplant the young Meconopsis plants at a spacing of 12 inches/30 cm (small) to 2.5-3 feet/75-90 cm (large) apart. This should be done following the last frost of spring.

Grower’s Tips

When growing Meconopsis plants in the garden it is very important to keep the soil moist in the summer. Once the growing period has finished, cut back Meconopsis plant to ground level (autumn). If you require more plants then they can be propagated by division at the start of spring.

Source: gardenershq.com

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