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Glandularia 'Showboat Midnight' (Showboat Series) (Vervain 'Showboat Midnight')
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1 hour care
per year
per year
0.35m
Max height
Max height
0.35m
Max spread
Max spread
1-2 years
To maturity
To maturity
Plant details
Botanical name
Glandularia 'Showboat Midnight' (Showboat Series)
Other names
Vervain 'Showboat Midnight', Verbena 'Showboat Midnight'
Genus
Glandularia Glandularia
Variety or Cultivar
'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
Fragrance
Flowers may be fragrant.
Habit
Compact, Mat Forming, Trailing
Flower
Dark-purple in Spring; Dark-purple in Summer; Dark-purple in Autumn
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Aphids , Leafhoppers , Slugs Aphids , Leafhoppers , Slugs
Powdery mildew Powdery mildew
General care
Pruning
Cut back after flowering. If grown as an annual, remove at the end of the growing season.
Propagation
Sow seed at 18-21C in early spring 8-10 weeks before the last frost date. Take stem-tip cuttings in late summer.
Propagation methods
Seed, Stem tip cuttings
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Where to grow
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.
Suggested uses
Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Hanging baskets
Cultivation
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
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Indoor unheated (H2), Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Glandularia 'Showboat Midnight' (Showboat Series)
Other names
Vervain 'Showboat Midnight', Verbena 'Showboat Midnight'
Genus
Glandularia Glandularia
Variety or Cultivar
'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.
Native to
Garden origin
Foliage
Semi evergreen
Fragrance
Flowers may be fragrant.
Habit
Compact, Mat Forming, Trailing
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Colour
Flower
Dark-purple in Spring; Dark-purple in Summer; Dark-purple in Autumn
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Aphids , Leafhoppers , Slugs
Specific diseases
General care
Pruning
Cut back after flowering. If grown as an annual, remove at the end of the growing season.
Propagation
Sow seed at 18-21C in early spring 8-10 weeks before the last frost date. Take stem-tip cuttings in late summer.
Propagation methods
Seed, Stem tip cuttings
Monthly care advice
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Where to grow
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.
Suggested uses
Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Hanging baskets
Cultivation
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
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Indoor unheated (H2), Tender in frost (H3)
USDA zones
Zone 11, Zone 10, Zone 9
In order to add a note on this plant, please add this plant to your plant lists.
| 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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