Magenta tubes
Flowers are elongated and tubular with a few large throat spots, usually dark purple ringed with cream.
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A trumpet flower that makes no noise 🎺
Family: Scrophulariaceae · Pot: 3 L · Height: 50–60 cm
Eremophila alternifolia × maculata ‘Thunderbolt’® has the electric intensity promised by its name: vivid magenta tubular flowers, marked more deeply in the throat, stand out along fine airy growth. The contrast between saturated blooms and slender stems makes the shrub appear both dramatic and light. This unusual Australian hybrid brings a clear pulse of colour and a distinctly different botanical texture to a collection.
As a specimen in a prominent container or within a dry-climate composition, it supplies personality without weighing down the space. Its elongated tubular flowers act like bright signals among silver foliage, linear grasses and other fine-branched forms.
Light branching, narrow green leaves and magenta flowers give this hybrid its distinctive appearance.
Flowers are elongated and tubular with a few large throat spots, usually dark purple ringed with cream.
Fine shoots create a natural light habit suited to gravel and Australian or Mediterranean schemes.
In mild conditions it may hold or repeat flowers through much of the cool and spring period.
Why you will love it: it brings exotic colour and light movement to places where drainage matters more than frequent care.
Choose full sun, moving air and rapid drainage, ideally in a raised bed, slope or large pot. Do not place it in a hollow that retains winter water.
Allow room for the broad crown in the middle or back of a planting, with lower plants in front. For separate, freely growing specimens reaching their full size, allow approximately 2.5 m from centre to centre; light pruning after flowering maintains branching.
Magenta is sharpened by silver, grey-green and soft yellow. Companions must share full sun, low to moderate irrigation and very free-draining soil.
Full sun for compact growth and generous flowering.
Deep but less frequent watering once established; allow soil to dry between irrigations.
Tolerates heat and dryness; protect from hard frost and prolonged winter wet.
Not intended for consumption; wear gloves if your skin is sensitive to plant sap.
Choose full sun for a generous flower display. Light partial shade is tolerated, but growth may become more open in a darker position.
Use a sandy or gritty mix and raised position. Prolonged moisture around roots is the main risk.
Water deeply during establishment, allowing the soil to dry partly between waterings. Established roots in the ground tolerate dry spells; check moisture more often in pots, especially in heat and wind.
Give a small dose of gentle feed in spring. Avoid rich nitrogen and unnecessary high-phosphorus products.
After the main flowering flush, lightly shorten the tips to encourage branching. Avoid cutting deeply into bare old wood, where regrowth is not assured.
In colder districts keep the pot movable and drier in winter. Protect the crown when frost is forecast.
Water deeply for the first months so roots descend, but never keep soil continuously wet.
After flowers, light tip-pruning encourages side shoots without losing natural movement.
In favourable conditions with unrestricted growth it can reach approximately 2.5 m in height and spread. In colder climates, with pruning or in a pot it usually remains smaller.
Woody stems branch near the base to form a broad crown of elongated green leaves. Flowers appear along the leafy branches, leaving the light branching structure visible.
Seasonal change is mainly expressed through the flowers. The foliage remains green; the intensity and duration of each flowering flush vary with the climate.
What to expect after planting: root adjustment first, followed by more flowering tips as the crown becomes denser.
Eremophila ‘Thunderbolt’ began as a hybrid seedling found by Alby Lindner in Australia. Its parents were Eremophila alternifolia and a violet-flowered form of Eremophila maculata subsp. maculata, and the first name he gave it was ‘Blue Thunder’.
The same selection spread under further names: ‘Wild Berry’ in South Australia, ‘Thunderbolt’ in Western Australia and ‘Magenta Dream’ in wider Australian distribution. The large magenta corolla, with dark spots and their pale borders, remains its distinctive floral pattern.
The long corolla of Eremophila is formed from five petals joined along most of their length. They separate into lobes at the opening, while nectar lies at the base of the tube. The flower therefore combines a narrow passage with an open mouth, rather than five independent petals around its centre.
In ‘Thunderbolt’, flowers appear singly where a leaf meets the stem, in the area called the leaf axil. Colour is therefore spread along the leafy branches rather than concentrated in a separate terminal spike; the flower display follows the branching of the crown itself.
Six practical answers about position, watering and long-term growth.
In the ground, once established, it tolerates less frequent deep watering. Check the soil more often in a pot because the smaller volume of compost dries more quickly.
Yes, with established roots and deep infrequent water. Drainage remains essential.
It needs shelter from hard or prolonged frost, especially when young or container-grown.
After the main flowering flush, lightly trim the tips to encourage new side shoots. Avoid cutting deeply into old, bare wood.
Yes; different regions and nurseries use different trade names for the same hybrid.
Check excess moisture and poor drainage first. Roots decline quickly in heavy, permanently wet soil.