Compact tricolour-flowered Mignon dahlia

‘Dahlegria Tricolore’ Mignon dahlia (Dahlia ‘Dahlegria Tricolore’)

Dahlia

One No1 tuber produces a compact 60 cm Mignon dahlia with single pink, peach, and red flowers above dark green foliage flushed with purple. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried, then.
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Detailed plant guide
Advice adapted to Canada
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Quantity 1 tuber
Exposure Full sun
Hardiness Zone 8; lift the tuber in colder regions
Difficulty level Moderate

Discover the plant

Family Asteraceae
Genus Dahlia
Species Garden hybrid in the Single-flowered Group
Cultivar Dahlegria Tricolore (Dahlgr85)
Type Dormant tuber
Cycle Annual under Quebec conditions

‘Dahlegria Tricolore’ Mignon dahlia (Dahlia ‘Dahlegria Tricolore’) Dahlegria Tricolore dahlia is a single-flowered Mignon selection registered as ‘Dahlgr85’. Its 7 to 10 cm flowerheads carry broad pink petals shaded peach, marked red at the base around a brown disc that opens dark yellow. This changing palette stands out against dark green leaves flushed purple and similarly purple stems. The upright clump grows approximately 60 cm tall and 50 cm wide. It flowers from midsummer until the first frosts. Van Noort supplies one No1 tuber suited to containers, sunny borders, and gardens visited by pollinators, where every open centre remains clearly accessible through the flowering season.

Plant the tuber in spring after the final frost once soil has warmed. Lay it horizontally 10 cm deep with the bud facing upward, keeping 50 cm between plants. Choose full sun and fertile, humus-rich soil that stays moist yet drains perfectly. Water sparingly before shoots emerge, then deeply at the base whenever the surface begins to dry. Incorporate mature compost and later use fertilizer moderate in nitrogen and richer in potassium when buds appear. Pinch young shoots to branch the clump. Remove faded flowerheads regularly to extend flowering, maintain a tidy plant, and keep fresh open discs available to visiting insects.

Place Dahlegria Tricolore near the front or middle of a border, in a large stable container, or among nectar-rich plants. Its pink, peach, red, and yellow tones pair with white sweet alyssum, blue salvias, purple verbenas, and golden grasses. Single flowers expose pollen and nectar directly to bees, butterflies, and hoverflies. Cut a few nearly open stems for arrangements without removing every garden resource. In Quebec, wait until the first frost blackens foliage, cut stems back, lift the tuber carefully, and allow its surface to dry. Store it labelled somewhere cool, dark, dry, and frost-free until spring, checking occasionally and retaining only firm healthy tissue.

Planting guide

From planting to establishment.

Planting depth 10 cm (4 in)
Spacing / density 50 cm (20 in) between plants
Establishment temperature 20 to 24°C (68 to 75°F)
Establishment time 14 to 28 days
Best planting time May to early June once soil is warm
Propagation Division of a tuber carrying a viable bud
Growing method
After frost, set the tuber 10 cm deep, allow 50 cm, water without saturation, pinch, feed moderately, and remove faded flowerheads. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried, then stored somewhere cool, dry, and frost-free. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is.

Soil and care

The right conditions.

Exposure Full sun
Soil pH Slightly acidic to neutral
Hardiness zone Zone 8; lift the tuber in colder regions
Minimum temperature 5°C (41°F)
Watering
Water lightly before emergence, then deeply at the base when the surface dries, without saturating the crown or wetting foliage in the evening. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen.
Soil type
Prepare fertile, humus-rich, loose, freely drained soil retaining even moisture without holding water around the tuber. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies..
Fertilization
Incorporate mature compost at planting, then apply fertilizer moderate in nitrogen and richer in potassium from bud formation. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies.
Seasonal care
In spring, prepare, plant, and pinch. In summer, water, feed, and deadhead. In autumn, lift. In winter, inspect the tuber. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried, then stored somewhere cool, dry, and frost-free. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried, then stored somewhere cool, dry, and frost-free. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries.

Container growing

A controlled environment.

Recommended pot size
At least 45 cm wide and deep
Grow one tuber in a stable container at least 40 cm wide, freely drained with fertile potting mix, then monitor moisture, feeding, heat, and winter storage. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried, then stored somewhere cool, dry, and frost-free. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season..

Bloom and dimensions

The complete profile.

Flower color Pink shaded peach, red base, and brown-yellow disc
Foliage color Dark green flushed with purple
Foliage type Deciduous after frost
Growth rate Fast
Bloom period
Single flowers reach about 7 to 10 cm and repeat from midsummer until the first frosts. Pink shades gently into peach, while a red base surrounds the brown disc opening dark yellow. Regular removal of faded flowerheads supports new bud production and keeps this tricolour succession tidy above purple-flushed foliage throughout the warm growing season, especially in sunny Canadian borders and well-watered patio containers.
Fruiting
Not applicable
Harvest
June to October. Harvest fully open flowers for small bouquets, or allow blooms to fade naturally before deadheading.

Garden associations

What to plant with it.

Good companions
Pair with white sweet alyssum, pink gauras, blue salvias, purple verbenas, and golden grasses sharing sun and freely drained soil. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds..
Avoid planting with
Slugs may damage young shoots. Aphids, spider mites, and powdery mildew may appear during hot or humid weather.
Use toward front or middle borders, in pollinator gardens, large containers, urban beds, or for a few arrangements. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches.

From the garden to inspiration.

The petals of Dahlegria Tricolore Dahlia (Dahlia pinnata ‘Dahlegria Tricolore’) may be used to decorate salads, fresh fruit carpaccio, or desserts when harvested from untreated plants. However, this variety is grown primarily for its ornamental beauty. Its simple blooms also add a colourful, natural touch to small summer bouquets.

Frequently asked questions

Everything toknow.

Wait until after the final frost and until soil has warmed, generally from May to early June. Set the tuber horizontally 10 cm deep. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted.
Single flowers leave the central disc visible. Bees, butterflies, and hoverflies can therefore reach pollen and nectar directly while the plant is flowering. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried.
Yes. Place the tuber in a stable container at least 40 cm wide, freely drained, filled with fertile potting mix, and positioned in full sun. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is.
Its 60 cm height limits risk, although a discreet stake remains useful in windy locations or when the clump carries many rain-weighted flowers. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried.
After the first frost, cut stems, lift the tuber, dry its surface, and keep it labelled somewhere cool, dry, dark, and frost-free. Dahlegria Tricolore is a compact Mignon dahlia with single flowers approximately 10 cm wide. One row of deep pink petals fades toward lighter tips and carries yellow splashes around an accessible central disc. Dark green flushed with purple foliage provides lasting contrast. The upright clump reaches 60 cm. Open flowers offer pollen and nectar to bees, butterflies, and hoverflies. Full sun maintains sturdy stems. Fertile humus-rich moist freely drained soil protects the tuber. Compost supports growth. Potassium-rich fertilizer encourages buds. Pinching branches the clump. Removing faded flowers extends the season. After frost, the tuber is lifted, dried, then.

Its strengths, naturally.

Pollinators
Attracts or supports pollinating insects

Pollinators

Butterflies
Plants that attract butterflies

Butterflies