Penstemon eatonii
Penstemon eatonii
Penstemon eatonii
Penstemon eatonii
Penstemon eatonii
Penstemon eatonii
Penstemon eatonii
Firecracker Penstemon, Eaton's Penstemon, Scarlet Bugler
Beautiful. Very satisfied. They are in flower now, earlier than I expected. Dry soil, east-facing, with a harsher winter than in previous years.
Evelyne, 03/05/2025
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This plant carries a 12 months recovery warranty
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Description
The Penstemon eatonii, also known as Eaton's Penstemon, is a graceful, tall, and glossy plant, stunning in large rock gardens and well-drained flower beds. The plant offers a long and spectacular scarlet red flowering period from late spring to summer. Its long tubular flowers on tall stems catch the eye from a distance. It pairs perfectly with perennials and dry soil grasses.
The Penstemon eatonii is an herbaceous perennial from the Plantaginaceae family. This botanical species is native to the western United States, from California to the Rocky Mountains. This plant can be found in various desert, woodland, forested, or sparsely vegetated plateau habitats. In California, it is mainly found in high-altitude desert areas. This penstemon forms a semi-evergreen basal clump consisting of lanceolate to ovate, non-dentate leaves with a medium green colour, measuring up to 9 centimetres long. Flowering occurs from May to August. Floral stems emerge from the foliage, reaching up to 1 metre in height. The slightly open tubular bell-shaped flowers, measuring 2 to 3 cm long, are arranged in small clusters along the stem. They display a bright, vibrant hue called "fire engine red." Numerous seeds are dispersed after flowering. This plant has a deep root system, which can make transplantation challenging but allows it to find some coolness at depth. This Eaton's penstemon stump can withstand temperatures as low as -10 °C in well-drained soil.
The Penstemon eatonii is well-suited to our dry regions in summer and winter but not excessively cold areas. It can be planted in raised flower beds with excellent drainage or in rock gardens in favourable climates. Beautiful scenes can be created by combining them with bushy salvias, baptisias, toadflaxes, and dry soil grasses like Stipa pulcherrima, Eragrostis, or Muhlenbergia capillaris. Sow some love-in-a-mist and California poppies to add some spice. When planted in autumn, it will have time to establish its roots deeply and withstand the summer without damage.
Penstemon eatonii in pictures
Flowering
Foliage
Plant habit
Botanical data
Penstemon
eatonii
Scrophulariaceae
Firecracker Penstemon, Eaton's Penstemon, Scarlet Bugler
North America
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Planting and care
Penstemon eatonii is a plant in a mountainous desert climate: it tolerates drought well and fears long, wet, and cold winters. Its hardiness is average, down to -10°C for short periods in very well-drained, rocky, stony, or sandy soil. In clayey soil, it is useful to mix coarse river sand or gravel with the planting soil and to plant in a raised bed or a large rock garden. Once well rooted, this penstemon can do without watering in summer.
To successfully grow botanical penstemons, the nature of the soil is crucial, as is the climate. They require very well-drained soil, preferably dry in winter. In excessively wet soils, they rot quickly. In overly-rich soils, they do not live long. In cool climates, place the plants in a warm and sunny location, sheltered from cold winds (south or west exposure). In hot climates, choose a cooler and semi-shaded exposure. In very cold and humid regions, it is advisable to take stem cuttings in autumn. It does not suffer from specific diseases.
This plant requires only minimal maintenance, but when you remove the faded flowers in autumn, slightly shorten the flowerless stems without cutting them down to the ground, especially in regions where winter is humid. Indeed, the foliage plays a vital role in moisture regulation. Wait until spring is well established (March-April) to shorten the branches whose foliage has been damaged by the cold. If summer is dry, water regularly to support flowering. Cover the stump with glass or a frame to protect it from severe cold in the coldest regions. Divide your penstemons every three or four years to rejuvenate them, and wait until spring to perform this operation.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.