Meconopsis Plant Growing & Care Guide for Gardeners
Article by Dean Ravenscroft, Ph.D. - Updated 28th Oct 2023
In this Gardener's HQ guide, we'll explore cultivating Meconopsis plants in your garden, indoor spaces, and other settings.
- Plant Characteristics: Meconopsis boasts delicate petals in stunning blue shades. Gardeners adore its unique color and ethereal beauty.
- Ideal Growing Conditions: This plant prefers cool, moist conditions and thrives in partial shade. Well-draining, rich soil enhances growth.
- General Care: Regular watering, and protection from intense midday sun keeps it vibrant. Mulch to help retain soil moisture.
- Tips for New Gardeners: Blue poppy is somewhat challenging to cultivate. It demands patience and care, but the rewarding bloom is worth the effort. Guard against excessive heat and drought.
Himalayan Blue Poppy, Welsh Poppy, & Blue Poppy: Cultivation & Garden Use
The Meconopsis genus contains short lived hardy perennials that reach a height of 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.
Be sure to check out my plant specific Meconopsis grandis growing guide.
Photographs of Meconopsis lingholm, M. cambrica, and M. grandis
Meconopsis cambrica - Welsh poppies by Wallygrom.
Meconopsis grandis by titanium22.
Meconopsis lingholm (blue poppy plants) by brewbooks.
-
Seed Success: Start Strong with this Ultimate Seed Starter Kit
Elevate your gardening game today by securing your Reusable Seed Starter Tray Kit. Get this must-have for any gardening enthusiast on Amazon and give your seedlings the head start they deserve. Embark on your journey to a bountiful harvest with confidence.
-
Garden Mastery: Unleash Your Potential with the Essential Tool Set
Boost your gardening with the CHRYZTAL Gardening Tool Set. Get this essential kit on Amazon for effortless gardening. A good set of tools is key to a thriving garden; make every cut count. Cultivate with ease and watch your garden flourish.
Meconopsis Plant Growing and Care Guide
Common Names: Poppy: Welsh; Blue; Himalayan; Asiatic; Harebell. Himalayan Blue Poppy.Scientific names: Meconopsis lingholm, M. betonicifolia, M. cambrica, M. grandis, M. sheldonii.
Life Cycle: Hardy perennial.
Height: 12 to 60 inches (30 to 150 cm).
Native: Europe. Asia.
Growing Region: Zones 6 to 9.
Flowers: Species dependent: Spring and/or summer and/or autumn.
Flower Details: Blue, white, red, pink, yellow, orange, purple. Poppy-like. Single.
Foliage: Decideous. Lanceolate.
Sow Outside: Surface. Start of spring - before the last frost, or towards the end of autumn. Spacing 12 to 36 inches (30 to 90 cm). Himalayan poppies will require fresh seed.
Sow Inside: Germination time: two weeks to one month. Seeds should be sown in vermiculite and watered from below. Temperature: 55 to 65°F (13 to 18°C). Six or seven weeks before expected last frost. Transplant outdoors following the last frost.
Requirements and 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. Propagate: by dividing at the start of spring.
Miscellaneous: The Blue poppy is the national flower of Bhutan. Welsh poppies can be invasive.
How to Grow Blue poppy from Meconopsis seeds
The seeds of the Meconopsis blue poppy 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.
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 12 to 18 degrees Celsius (54 to 64°F). Once growing the seedlings should be watered from beneath.
Once ready, transplant the young Meconopsis plants at a spacing of 30 cm (12 inches; small), to 75 to 90 cm (30 to 36 inches; large) apart. This should be done following the last frost of spring.
Caring for Meconopsis Plants, Such as the Blue Poppy and Welsh Poppy in the Garden
When growing Meconopsis blue poppy 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.
Common Questions
How many members does the Meconopsis genus have?
The Meconopsis genus contains around 45 species, famously including the Himalayan Blue Poppy.
Do members of Meconopsis make a good garden or landscaping plant?
Meconopsis species, particularly the blue poppies, are spectacular but challenging to grow. They're best suited to cooler, high-altitude gardens with rich, well-drained soil.
Which Meconopsis species are most frequently grown by gardeners?
The most frequently grown species is the Blue Poppy (Meconopsis betonicifolia), loved for its stunning, large blue flowers.
Are members of the Meconopsis plant genus fragrant?
Meconopsis species, including the blue poppies, are not typically noted for their fragrance.
What is the perfect location to grow Meconopsis?
Meconopsis prefers cool climates, semi-shade, and moist, well-drained, slightly acidic soil rich in organic matter.
Is Meconopsis invasive in the USA, if so in which states?
Currently, Meconopsis is not considered invasive in the USA.
How do I remove Meconopsis plants from my garden?
Removing Meconopsis involves pulling up the plants by the roots. As these plants are biennial or short-lived perennials, they can also be controlled by preventing seeding.
Summary
Meconopsis, known as Himalayan poppies, belong to the Papaveraceae family. Famous for their dramatic, often blue flowers, they are highly prized by gardeners for their unique color and form.
To grow Meconopsis, plant them in a partially shaded spot with moist, rich, well-drained soil. Spring is the ideal time for planting. Regular watering is necessary, especially in dry conditions. They do best in cooler climates and may require extra care to thrive in warmer areas.
I hope that you found this guide on how to grow Meconopsis plants in your garden. You may also enjoy my gardening guides on how to grow poppies, Mexican poppy plant, and Macleaya plants.
Elevate Your Gardening Game
Weekly Growing & Care Guides for Your Inbox!
Find the insights on this site valuable? Then you're going to love my book: 'The Gardener's HQ Plant Growing Guide'.
Upon purchase, receive the eBook in PDF, MOBI (for Kindle), and ePub (most e-readers and iPad) formats. Also available from Amazon USA, Amazon UK, and iBooks.
Genus Index M
