Sale
Sold out
Hardy perennial
Campanulaceae
Perennials
Lobelia 'Scarlet'
Lobelia
Lobelia 'Scarlet': 70 cm high and 55 cm spread, sun exposure. Red, scarlet flowers in July-September. Zone 5; choose a soil compatible with its moisture needs.
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 5
Discover the plant
Common nameLobelia 'Scarlet'
FamilyCampanulaceae
GenusLobelia
CultivarScarlet
TypeHardy perennial
Botanical nameLobelia
For a sunny composition, Lobelia 'Scarlet' offers flowers in shades of red, scarlet. The foliage presents shades of green, to be highlighted among different textures. The usual flowering period is July-September. The clump reaches approximately 70 cm in height and 55 cm in spread; use these dimensions to place the plant in the middle of a flowerbed and in group plantings.
The success of Lobelia 'Scarlet' begins with its location: full sun, in suitable soil (humus-rich, retaining its freshness during growth, without standing water around the collar). For Lobelia 'Scarlet', regularly check the soil around the root ball: it must remain fresh. Water at the base when the surface begins to dry and adjust the amount of water based on rainfall; this exposure (sun) does not eliminate the need for water. Keep 55 cm as a general spacing between plants; this helps preserve their shape and allows access for care. The indicated hardiness zone is zone 5, to be assessed according to your garden's conditions.
The maintenance of Lobelia 'Scarlet' primarily relies on observing the clump: keep the crown clear and remove dry stems, taking care of the small basal shoots. Perennial lobelias in cool environments require consistent watering in summer; dry soil reduces their vigor. For associations, consider echinaceas, perennial geraniums, and campanulas of varieties with similar needs. Keep its 70 cm height in mind to place lower plants on the correct side and allow the flowers to be visible during July-September.
Planting guide
From planting to establishment.
Spacing / density
21.65 inches
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to establish themselves before the cold weather sets in.
Propagation
Division of clumps. Sowing does not guarantee the fidelity of a named cultivar.
Growing method
Lobelia ‘Scarlet’: Spring after the thaw or early autumn, allowing the roots time to establish before the severe cold. For Lobelia ‘Scarlet’, regularly check the soil around the root ball: it must remain moist. Water at the base when the surface begins to dry and adjust watering according to rainfall; this exposure (sun) does not negate the need for water. Perennial lobelias in cool environments require consistent watering in summer; dry soil reduces their vigor.
Soil and care
The right care,at the right time.
Care level
Regular maintenance
Watering
For ‘Scarlet’ Lobelia, regularly check the soil around the root ball: it must remain moist. Water at the base when the surface starts to dry, and adjust watering based on rainfall; this exposure (sun) does not eliminate the need for water.
Soil type
Humus-rich, retaining its freshness during growth, with no stagnant water around the collar
Fertilization
Fertilizer for flowering
Moisture
Regular coolness during growth
Seasonal care
Lobelia 'Scarlet': keep the crown clear and remove dry stems, taking care of the small basal shoots. During its flowering period (July-September), also look out for damaged stems and neighboring plants that could obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable container with drainage holes, significantly wider than the root ball; size to be adapted to the format sold and the adult development.
To try Lobelia ‘Scarlet’ in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (55 cm). The substrate should remain moist; it will dry out more quickly than in open ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
24 inches (61 cm)
Width / spread
14 inches (35.5 cm)
Flower color
Red
Foliage color
Green
Foliage type
Null and void
Growth rate
Moderate
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
July-September
Garden associations
In goodcompany.
Companion plants
Associations to consider for Lobelia 'Scarlet': echinaceas, perennial geraniums, campanulas. Choose varieties that accept sun and comparable moisture; reserve each clump its adult space.
Plants to avoid
Around Lobelia 'Scarlet', above all avoid neighbours that would cover its leaves or strongly compete with its rootball. Compatibility of light, water, and size takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Lobelia 'Scarlet'?
Provide sun and a suitable soil (humus-rich, moisture-retentive during growth, with no standing water around the crown). Perennial lobelias that thrive in cool conditions need consistent watering in summer; dry soil reduces their vigor.
Where should I plant Lobelia 'Scarlet'?
Expect a height of about 70 cm and a width of 55 cm at maturity. Approximately 55 cm between centers, to be adjusted according to the actual development of the clump. This size is suitable for use in the middle of a flower bed and for group plantings.
When does Lobelia 'Scarlet' bloom?
The period indicated is July-September. The flower palette is red, scarlet. The exact date and duration depend on the climate, season, and how the plant is established.
How to water and care for Lobelia 'Scarlet'?
For 'Scarlet' Lobelia, regularly check the soil around the root ball: it should remain moist. Water at the base when the surface begins to dry and adjust watering according to rainfall; this exposure (sun) does not eliminate the need for water. Keep the crown clear and remove dry stems, taking care of the small basal shoots.
Can Lobelia 'Scarlet' be grown in pots?
To try Lobelia ‘Scarlet’ in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (55 cm). The substrate must remain moist; it will dry out faster than in the open ground. Plan for winter protection for the container depending on your climate.
Wildlife and pets
Life,around your plants.
Supporting wildlife
'Scarlet' Lobelia flowers attract butterflies and hummingbirds. To ensure their continued visits between July and September, avoid treating open flowers and maintain a succession of blooms around the plant.
For your perennials and grasses
The right extras.Right here.
Flower and Bloom Fertilizer
Shop the collection
Hand Tools
Shop the collection
