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Tall narrow perennial with lavender-blue spikes
Plantaginaceae
Tall speedwells for smaller spaces
Blue Skywalker spike speedwell
Veronica spicata
Blue Skywalker is a tall, narrow spike speedwell with long lavender-blue flower spikes. Its upright clump of dark-green foliage generally reaches 71 to 76 centimetres tall and 46 to 51 centimetres wide. Bloom occurs from midsummer through late summer, with possible early-fall rebloom after hard cutting. Hardy in Zones 4 to 8, it prefers full sun or partial shade and well-drained soil. It attracts bees, butterflies and hummingbirds, generally resists deer and provides excellent stems for bouquets. The dense base remains full despite the cultivar’s unusual height.
- Quantity
- 1-gallon pot
- Exposure
- Full sun to partial shade
- Life cycle
- Deciduous herbaceous perennial
- Hardiness
- Zone 4 to 8
Discover the plant
Common nameBlue Skywalker spike speedwell
FamilyPlantaginaceae
GenusVeronica
Speciesspicata
CultivarBlue Skywalker
TypeTall narrow perennial with lavender-blue spikes
Botanical nameVeronica spicata
Blue Skywalker Spike Speedwell (Veronica spicata ‘Blue Skywalker’) is a tall, narrow perennial that provides vertical impact without using much horizontal space. Lavender-blue spikes cover the upper half of firm stems above dense, healthy dark-green foliage. A garden clump generally reaches 71 to 76 centimetres tall and 46 to 51 centimetres wide. Bloom extends from midsummer through late summer, and a hard cut after the first display may encourage repeat flowers in early fall. This upright profile suits borders, smaller gardens, grouped plantings and cut-flower arrangements while remaining full and leafy near the base.
For best results, grow this Blue Skywalker veronica in full sun or partial shade and average to fertile, well-drained soil. Full sun supports sturdy stems and abundant flowers. Water regularly during establishment, then deeply whenever the soil surface begins to dry. Once rooted, the plant tolerates short dry periods, although flowering is strongest with moderate moisture. Space plants 46 to 51 centimetres apart. Remove faded spikes or cut stems back after the first display to encourage rebloom. Avoid saturated winter soil and excessive nitrogen, which may soften growth. A thin spring compost layer is generally sufficient for established clumps.
The Veronica Blue Skywalker plant attracts bees, butterflies and hummingbirds with numerous lavender-blue florets. Deer seldom browse it, and its long stems are useful in bouquets. Hardy in Zones 4 to 8, it can tolerate approximately −34 °C according to a professional cultivar profile. Pair it with Shasta daisies, coneflowers, black-eyed Susans, catmint or fine grasses. Repeating three plants creates a striking vertical line beside a patio or path. Plant Patent PP29406 confirms the cultivar’s upright habit, branched spikes and long summer display, with possible early-fall rebloom after cutting back. Its foliage also shows good disease resistance.
Planting guide
From planting to establishment.
Spacing / density
Space plants 46 to 51 cm apart
Best planting time
Spring or early fall
Propagation
Patented cultivar; vegetative propagation restricted to authorized growers
Growing method
Plant Blue Skywalker in spring or early fall in a sunny or lightly shaded position. Choose average to fertile, well-drained soil. Loosen the ground to about 30 centimetres and work in compost when organic matter is low. Dig a hole as deep as the root ball and roughly twice as wide. Keep the crown level with the surrounding soil, refill gently and water thoroughly. Space plants 46 to 51 centimetres apart. Maintain moderate moisture through the first season without leaving standing water. Keep mulch away from the crown. After the main display, cut stems back to encourage possible early-fall rebloom. The following spring, remove dry growth and add a thin compost layer.
Soil and care
The right care,at the right time.
Soil pH
Acidic, neutral or alkaline
Care level
Low
Drought tolerance
Yes
Watering
Water deeply after planting and keep the root ball moderately moist during establishment. Once rooted, allow the surface to begin drying before watering again. The cultivar tolerates short dry periods but flowers more abundantly with consistent moisture. Direct water toward the soil, allow excess moisture to drain and avoid keeping the crown saturated. In containers, check moisture more often during very hot or windy weather.
Soil type
This perennial prefers average to fertile, well-drained soil. Compost-enriched loam is especially suitable. In clay, improve drainage and avoid depressions where water collects. In sandy soil, add organic matter to retain moderate moisture. The plant tolerates short dry periods after establishment, but constantly saturated soil, especially in winter, can damage the crown.
Fertilization
In spring, spread a thin compost layer around the clump without covering the crown. In average soil, this is generally sufficient. If growth remains weak, use a balanced slow-release fertilizer at the lowest labelled rate. Avoid excessive nitrogen, which can produce softer stems and fewer flowers. In containers, refresh part of the potting mix in spring before adding any additional fertilizer.
Moisture
Moderate; tolerates short dry periods
Seasonal care
In spring, remove dry stems and clear the crown before growth resumes. Add a thin compost layer without covering new shoots. During summer, water deeply when the soil surface begins to dry, especially in the first year. Cut stems back after the main display to maintain shape and encourage possible early-fall rebloom. Watch for aphids, thrips and leaf spotting where air circulation is limited. Avoid nitrogen-rich fertilizer, which can soften the stems. In fall, allow foliage to yellow naturally or wait until spring for cleanup. Before winter, confirm that rain and snowmelt drain promptly around the crown.
Container growing
A garden,within reach.
Recommended pot size
Stable container 40 cm wide or larger
Choose a stable container at least 40 centimetres wide with several drainage holes. Use perennial potting mix that retains moderate moisture while releasing excess water. Keep the crown level with the mix, water thoroughly and empty the saucer. Place the container in full sun or partial shade and check moisture more often during hot weather. Cut faded spikes to maintain a tidy display and encourage possible rebloom. In cold regions, move the container beside a sheltered wall or insulate it to reduce rapid freeze-and-thaw cycles.
Bloom and dimensions
Its place,in your garden.
Mature height
30 inches (76 cm)
Width / spread
20 inches (51 cm)
Flower color
Lavender blue
Foliage color
Dark green
Foliage type
Deciduous
Growth rate
Moderate
Growth habit
Tall, narrow, dense and upright
Fragrance
Not documented for this selection
Bloom period
Long lavender-blue spikes cover the upper half of the stems. The main display extends from midsummer through late summer. Hard cutting after the first wave may encourage repeat flowers in early fall. Small flowers open progressively along branched stems, creating a lasting vertical presence above dark-green foliage.
Garden associations
In goodcompany.
Companion plants
Pair it with compact bee balm, shorter phlox, coneflowers, black-eyed Susans, catmint, yarrow and fine grasses. Pink, white or yellow flowers contrast with the lavender-blue spikes, while silver foliage emphasizes their colour. Choose companions that also prefer sun and evenly moist, well-drained soil. Spring bulbs fill the space before the foliage develops completely, while sedums and asters extend the display into fall. Avoid plants requiring constantly saturated soil and vigorous spreaders that quickly smother the clumps.
Plants to avoid
Avoid highly aggressive plants that would invade the crown and neighbours requiring constantly saturated soil. Tall perennials that collapse can hide or bend the flower stems. Leave enough space for air to circulate around the clump and remove compacted leaves in spring.
Frequently asked questions
Your questions,answered.
Is Blue Skywalker speedwell hardy in Canada?
Walters Gardens lists Blue Skywalker for Zones 4 to 8, and a professional profile dedicated to the cultivar reports tolerance to approximately −34 °C. This hardiness suits many populated Canadian regions when the crown grows in well-drained soil. Avoid low spots where snowmelt collects, keep the crown level with the soil and pull thick mulch away. Allow foliage to decline naturally in fall, then remove dry stems in spring. In containers, protect the roots from rapid freeze-and-thaw cycles or place the pot in a more sheltered position.
When does Blue Skywalker speedwell bloom?
Walters Gardens places bloom from midsummer through late summer, while Plant Patent PP29406 describes a long period beginning in early summer. Exact timing varies with region and spring conditions. Hard cutting after the first display may produce repeat flowers in early fall. Full sun, moderate moisture and effective drainage support stronger flowering than dense shade or saturated soil. Cut stems after most flowers have finished, then continue watering during hot weather to help new buds develop without stressing the crown.
Should faded Blue Skywalker spikes be removed?
Yes. Cut stems after most flowers have faded to maintain a tidy border and encourage possible rebloom. Plant Patent PP29406 indicates that hard cutting after the first display may produce new flowers in early fall. Use clean pruners and cut back to a healthy leaf or near the base of the stem without damaging the crown. Retain living foliage because it supports future buds. Continue watering when weather remains hot and dry. In spring, remove remaining dry stems before new shoots lengthen.
Does Blue Skywalker attract pollinators?
Yes. Walters Gardens reports that this speedwell attracts bees, butterflies and hummingbirds. Numerous small flowers distributed along long stems make the clump easy to find from midsummer through late summer. Group three or more plants, avoid insecticides during bloom and maintain enough moisture to prevent premature wilting. Add spring bulbs and late-summer asters or sedums to extend nectar availability. When cutting stems for a bouquet, leave several spikes outdoors so winged visitors retain a food source.
Which plants pair well with Blue Skywalker speedwell?
Choose full-sun or light-shade companions that enjoy evenly moist, well-drained soil. White coneflowers, yellow yarrow, catmint, hardy geraniums, black-eyed Susans and fine grasses work well. Their rounded or airy forms contrast with the long upright lavender-blue spikes. Allow approximately 46 to 51 centimetres between clumps so the foliage can broaden. Avoid aggressive neighbours that would invade the crown and plants requiring constantly saturated soil. Spring bulbs occupy the space before bloom, while sedums and asters take over later. Repeat one or two companions elsewhere in the border to produce a coherent composition and emphasize the rhythm of the speedwell plants.
Wildlife and pets
Life,around your plants.
Supporting wildlife
Long lavender-blue stems attract bees, butterflies and hummingbirds from midsummer through late summer. Grouping three or more plants creates an easier floral target to find. Avoid insecticides during bloom and leave several spikes outdoors when cutting stems for bouquets so a nectar source remains available.
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