Glandularia 'Showboat Midnight' (Showboat Series)
Vervain 'Showboat Midnight', Verbena 'Showboat Midnight'
Glandularia Glandularia
'Showboat Midnight' _ 'Showboat Midnight' is a tender, mound-forming to trailing, hairy, semi-evergreen perennial, often grown as an annual, with ovate, toothed, wrinkled, grey-green leaves and tight, rounded panicles of maroon-flushed, dark purple flowers from late spring into autumn.
Glandularia 'Showboat Midnight' (Showboat Series) is: Semi evergreen
Flowers may be fragrant.
Compact, Mat Forming, Trailing
Dark-purple in Spring; Dark-purple in Summer; Dark-purple in Autumn
Dark-green in All seasons
Aphids , Leafhoppers , Slugs Aphids , Leafhoppers , Slugs
Powdery mildew Powdery mildew
Cut back after flowering. If grown as an annual, remove at the end of the growing season.
Sow seed at 18-21C in early spring 8-10 weeks before the last frost date. Take stem-tip cuttings in late summer.
Seed, Stem tip cuttings
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Glandularia 'Showboat Midnight' (Showboat Series) (Vervain 'Showboat Midnight') will reach a height of 0.35m and a spread of 0.35m after 1-2 years.
Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Hanging baskets
Grow in moist, well-drained, moderately fertile soil in full sun. In cold areas, protect with a dry winter mulch. In containers, grow in loam-based compost with added sharp sand. In growth, water freely & feed monthly; sparingly in winter
Chalky, Loamy, Sandy
Moist but well-drained
Acid, Alkaline, Neutral
Full Sun
South, West
Sheltered
Indoor unheated (H2), Tender in frost (H3)
We do not currently have companion plants added for this plant.
Glandularia 'Showboat Midnight' (Showboat Series)
Vervain 'Showboat Midnight', Verbena 'Showboat Midnight'
Glandularia Glandularia
'Showboat Midnight' _ 'Showboat Midnight' is a tender, mound-forming to trailing, hairy, semi-evergreen perennial, often grown as an annual, with ovate, toothed, wrinkled, grey-green leaves and tight, rounded panicles of maroon-flushed, dark purple flowers from late spring into autumn.
Garden origin
Semi evergreen
Flowers may be fragrant.
Compact, Mat Forming, Trailing
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Dark-purple in Spring; Dark-purple in Summer; Dark-purple in Autumn
Dark-green in All seasons
Aphids , Leafhoppers , Slugs
Cut back after flowering. If grown as an annual, remove at the end of the growing season.
Sow seed at 18-21C in early spring 8-10 weeks before the last frost date. Take stem-tip cuttings in late summer.
Seed, Stem tip cuttings
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Glandularia 'Showboat Midnight' (Showboat Series) (Vervain 'Showboat Midnight') will reach a height of 0.35m and a spread of 0.35m after 1-2 years.
Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Hanging baskets
Grow in moist, well-drained, moderately fertile soil in full sun. In cold areas, protect with a dry winter mulch. In containers, grow in loam-based compost with added sharp sand. In growth, water freely & feed monthly; sparingly in winter
Chalky, Loamy, Sandy
Moist but well-drained
Acid, Alkaline, Neutral
Full Sun
South, West
Sheltered
Indoor unheated (H2), Tender in frost (H3)
Zone 11, Zone 10, Zone 9
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This plant likes... | Garden match | |
Soil types: | Chalky, Loamy, Sandy | Tell us... |
Soil drainage: | Moist but well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South, West | Tell us... |
Exposure: | Sheltered | Tell us... |
Hardiness: | Indoor unheated (H2), Tender in frost (H3) | Tell us... |
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