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Botanical name: Verbena rigida
Other names: Slender vervain, Hardy garden verbena, Large-veined verbena, Veined verbena
Species: V. rigida - V. rigida is a perennial, often grown as an annual, with oblong leaves and fragrant, bright purple flowers on branching stems in late summer.
Verbena rigida is: Deciduous
Flower: Purple in Summer
Foliage: Dark-green in Summer; Dark-green in Autumn
Habit: Tall, Upright
Awards: RHS AGM (Award of Garden Merit)
Plant with: Salvia x sylvestris 'Mainacht' (Wood sage 'Mainacht'), Heuchera 'Pewter Moon' (Alum root 'Pewter Moon'), Salvia x sylvestris (Wood sage), Salvia x sylvestris (Wood sage), Salvia 'Blaukonigin' (Wood sage 'Blaukonigin'), Salvia pratensis 'Rhapsody in Blue' (Wood sage 'Rhapsody in Blue' ), Salvia 'Lemon Pie' (Sage 'Lemon Pie'), Salvia nemorosa 'Schwellenburg' (Balkan clary 'Schwellenburg' ), Salvia x superba 'Adora Blue' (Hybrid sage 'Adora Blue'), Salvia pratensis (Meadow clary), Salvia bulleyana (Bulley's sage), Agastache 'Blue Fortune' (Giant hyssop 'Blue Fortune')
Pests: Generally pest free
Diseases: Generally disease free
Specific diseases: Powdery mildew
Pruning: Cut down once flowering is finished.. REGISTER to read more...
Propagation methods: Seed. REGISTER to read more...
Verbena rigida (Slender vervain) will reach a height of 1m and a spread of 0.5m after 1-2 years.
Suggested uses: Beds and borders, Gravel, City, Containers, Cottage/Informal, Garden edging
Cultivation: Grow in moist, well-drained, moderately fertile soil in full sun. In cold areas, protect with a dry winter mulch.
|This plant likes...||Garden match|
|Soil types:||Chalky, Clay, Loamy, Sandy (will tolerate most soil types)|
|Soil drainage:||Moist but well-drained, Well-drained|
|Soil pH:||Acid, Alkaline, Neutral|
|Hardiness:||Tender in frost (H3)|
Discuss Verbena rigida (Slender vervain) with other Shoot members.
http://www.telegraph.co.uk/gardening/howtogrow/3348813/How-to-grow-Verbena-rigida.html has a sowing and growing guide.
These are the Thompson and Morgan sowing instructions:
Verbena rigida (venosa)
Half Hardy Herbaceous Perennial
* Flowers in : Summer
* Germination : Experience Useful
* Aftercare : Easy
* Ideal for : Bedding, Cottage Gardens, Patios
* Special Features : Scented
* Height : 24 inches
Dense 5cm (2in) clusters of purple fragrant flowers and dark green leaves. Adds height and interest to bedding displays. Lift tubers in autumn. Height: 30-60cm (1-2ft).
Sow in trays, pots, etc of good seed compost in a propagator or warm place to maintain an optimum temperature of 70-75F (20-25C). Surface sow and just cover with vermiculite and exclude light. Sowing Time: February to March. After covering the seed with vermiculite give a very light spray using only half the water you would give to other seeds. Too much wet will result in poor germination.
Transplant seedlings when large enough to handle. Harden off and plant out when all risk of frost has passed 30cm (12in) apart, in full sun.
Prefers a rich, light, well drained soil.
I bought this named Verbena Venosa before reading that it was the same as Rigida. Well worth knowing as there is lots of info for growing Verbena Rigida but much less if you look it up as Verbena Venosa.
I have several of these. Starting at the base, some have had very dark brown blotches all over the leaves for at least a month. In other respects they look no different from the rest. They continue to flower but the markings are dominant and unsightly. I did not have this problem last year when they were newly planted. I am about to prune them down and destroy all the cuttings. Should I spray with something first?
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