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Convolvulus tricolor is a low-growing bushy plant that rises on branching stems clad with narrow, lance-shaped, mid-green leaves. Awarded the prestigious Award of Garden Merit by the Royal Horticultural Society. Grows up to 6 in. tall (15 cm) and 12-18 in. wide (30-45 cm).
One of the earliest to flower, award-winner Pulmonaria 'Blue Ensign' (Lungwort) is a clump-forming, semi-evergreen perennial with showy clusters of bright sapphire-blue flowers in spring. Strong-growing, it forms a compact foliage mound of broad, dark green leaves, which remains attractive throughout the entire growing season if cut back after ...
- Lungwort Care
- Types of Lungwort
- Pruning
- Propagating Lungwort
- How to Grow Lungwort from Seed
- Potting and Repotting Lungwort
- Common Pests & Plant Diseases
- Overwintering
- How to Get Lungwort to Bloom
- Common Problems with Lungwort
Finding the right landscape location for lungwort plants can be tricky, but it’s essential for the plants’ health and survival. While they appreciate the shade offered by overhead trees, they don’t like to compete with the trees for soil moisture. So if you do plant them beneath a tree canopy, it’s important to water them regularly. Lungworts also ...
Most lungwort varieties sold for garden use are cultivars of hybrids created by cross-breeding key species, especially P. saccharata, P. angustifolia[, and P. longifolia. The exact parentage is often unclear, and these cultivars are often simply labeled Pulmonaria.New cultivars appear regularly, but some current favorites include: 1. 'Blue Ensign':...
Remove flower stems as they finish blooming. After lungwort is finished flowering, the flower stalks turn brown and flop over, and the older leaves also begin to look tattered. Removing the entire flower stalk and the degraded leaves will encourage the plant to rejuvenate with fresh growth. You also can prune off leaves that degrade from especially...
Because most modern Pulmonaria varieties are hybrids, they are not generally propagated from seeds collected from the plants. Seeds produced by hybrids usually do not "come true" to the parent plant. Instead, propagation is best accomplished by root division. Here's how to do it: 1. After a mature plant is done flowering (division is most often don...
Because most garden varieties of lungwort are hybrids, plants started from collected seeds generally do not "come true" to the parent plant. Thus, propagating by seed is not usually recommended. The plants will readily self-seed, and while it is possible to transplant the volunteers into new locations, it is typical for these offspring plants to ha...
It is theoretically possible to grow lungwort in containers filled with potting mix, but in practice it is not often done, as the plants will require a lot of maintenance. Lungwort plants will require frequent water, and because most potting mixes are peat-based and therefore naturally acidic, you will likely need to amend the potting mix with agri...
Lungworts don’t have any notable pest or disease problems. But they can be prone to powdery mildew, and slug damage, which results in abnormal and damaged foliage. Powdery mildew is not generally fatal, but it can be treated with spray fungicide.
Lungwort is best covered with mulch after the ground freezes in the winter. This will moderate freeze-thaw cycles and ensure that roots survive the winter. This is especially necessary in zones 3 and 4, where winters can be quite bitter with rapid cycles between temperature extremes.
Though often grown primarily for its foliage, the flowers on lungwort can be quite attractive. Good flowering is dependent on just the right conditions: some sun in the morning but shade in the afternoon; consistently moist but not soggy soil; a soil pH that remains in a narrow range from neutral to slightly alkaline; minimal fertilizing. Getting g...
Lungwort needs fairly precise conditions to flourish, but if those are provided, they are easy to grow and will give you few problems. However, gardeners who are new to this plant are sometimes troubled by the way they die back when the weather turns hot and dry in midsummer. But this is fairly natural with this plant and not a cause for concern. C...
- Marie Iannotti
The award-winning ‘Blue Ensign’ variety of pulmonaria is a favorite of many gardens. Clusters of bright, showy sapphire bloom atop large masses of compact foliage, this early-blooming spring favorite evergreens in mild winter climate areas and is a perfect choice for shady gardens.
Oct 6, 2022 · 3-9. Exposure: Partial to full shade. Size: 8 to 18 inches tall, 12 to 24 inches wide. Growth habit: Forms a mounded clump that spreads slowly over time by underground rhizomes. Bloom time: Early to midspring, with the blooms lasting 3 to 4 weeks. Foliage: Usually ovate to elliptical in shape and slightly hairy.
Growing guide. Without question Pulmonaria 'Blue Ensign' delivers the finest blue flowers among the Lungworts—almost iridescent. The solid dark green foliage makes a nice backdrop to the flowers, which are striking in combination with yellow Tulips or buttery Primroses.
lungwort 'Blue Ensign'. A strong-growing deciduous perennial to 30cm tall, with broad, dark green leaves and compact clusters of large, violet-blue flowers in spring.
