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Hardy perennial
Ranunculaceae
Perennials
Larkspur 'Blue Butterfly'
Delphinium grandiflorum
Larkspur 'Blue Butterfly': 50 cm high and 30 cm spread, full sun. Blue flowers in June-August. Zone 3; choose soil compatible with its moisture needs.
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 3
Discover the plant
Common nameLarkspur 'Blue Butterfly'
FamilyRanunculaceae
GenusDelphinium
Speciesgrandiflorum
CultivarBlue Butterfly
TypeHardy perennial
Botanical nameDelphinium grandiflorum
Larkspur 'Blue Butterfly' (Delphinium grandiflorum 'Blue Butterfly') brings a palette of blue to the garden. Its foliage displays shades of green, which can be highlighted among different textures. The usual flowering period is June-August. At maturity, expect it to reach 50 cm in height and 30 cm in width, making it suitable for mid-border planting and grouping.
Soil choice is essential for Larkspur 'Blue Butterfly': it should be humus-rich, retain moisture during growth, and prevent stagnant water around the crown. The preferred exposure is full sun. For Larkspur 'Blue Butterfly', 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 its water needs. Maintain a spacing of 30 cm between plants; this helps preserve their shape and allows for easier care. The indicated hardiness zone is zone 3, to be considered according to your garden's conditions.
Maintenance for Larkspur 'Blue Butterfly' primarily involves observing the clump: after flowering, remove spent flower stalks above healthy foliage and continue appropriate watering. Tall delphinium spikes may require support in windy areas; plan for this before they fully develop. For companion planting, consider daylilies, perennial geraniums, and campanulas of varieties with similar needs. The flowering period (June-August) and the 30 cm spread will serve as guides for arranging other plants around this one.
Planting guide
From planting to establishment.
Spacing / density
30 cm
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to establish before the cold weather sets in.
Growing method
Larkspur 'Blue Butterfly': Spring after the thaw or early autumn, allowing the roots time to establish before the severe cold sets in. For Larkspur 'Blue Butterfly', regularly check the soil around the root ball: it must remain moist. Water at the base when the surface begins to dry and adjust the amount of water according to rainfall; this exposure (sun) does not eliminate the need for water. The tall delphinium spikes may require support in windy areas; plan for this before they are fully developed.
Soil and care
The right care,at the right time.
Soil pH
alkaline; general botanical group indication
Care level
Regular maintenance
Watering
For ‘Blue Butterfly’ delphinium, regularly check the soil around the root ball: it should remain moist. Water at the base when the surface begins to dry and adjust the amount of water according to rainfall; this exposure (sun) does not eliminate the need for water.
Soil type
Humus-rich, keeping its freshness during growth, without stagnant water around the collar
Fertilization
Fertilizer for flowering
Moisture
Regular freshness during growth
Seasonal care
Larkspur 'Blue Butterfly': after flowering, remove spent flower stalks above healthy foliage and continue watering as appropriate for the soil. During its flowering period (June-August), also monitor for damaged stems and nearby plants that could obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable, perforated container, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To try growing 'Blue Butterfly' Larkspur in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (30 cm). The substrate must remain moist; it will dry out faster than in the ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
20 inches (51 cm)
Width / spread
12 inches (30.5 cm)
Flower color
Blue
Foliage color
Green
Foliage type
Deciduous in cold climates
Growth rate
Moderate
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
June-August
Garden associations
In goodcompany.
Companion plants
Companion plants to consider for Delphinium ‘Blue Butterfly’: daylilies, perennial geraniums, campanulas. Choose varieties that tolerate sun and comparable moisture; allow enough space for each clump to reach its mature size.
Plants to avoid
Around Larkspur 'Blue Butterfly', especially avoid neighbors that would cover its leaves or strongly compete with its root ball. 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 Larkspur 'Blue Butterfly'?
Provide sun and suitable soil (humus-rich, retaining moisture during growth, with no stagnant water around the collar). Tall delphinium spikes may require support in windy areas; plan for this before they are fully grown.
Where should I plant ‘Blue Butterfly’ larkspur?
Expect a height of about 50 cm and a width of 30 cm at maturity. Approximately 30 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 flowerbed and for group plantings.
When does Larkspur 'Blue Butterfly' bloom?
The period indicated is June-August. The flower color is blue. The exact date and duration depend on the climate, the season, and when the plant was established.
How to Water and Care for Larkspur 'Blue Butterfly'?
For 'Blue Butterfly' Larkspur, regularly check the soil around the root ball: it must remain moist. Water the base when the surface begins to dry and adjust watering according to rainfall; this exposure (sun) does not eliminate the need for water. After flowering, remove spent flower stalks above healthy foliage and continue watering as appropriate for the soil.
Can you grow Larkspur 'Blue Butterfly' in a pot?
To try 'Blue Butterfly' Larkspur in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (30 cm). The substrate must remain moist; it will dry out faster than in the ground. Plan to protect the container in winter depending on your climate.
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