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Bulb
Asteraceae
Dahlia 'Sir Alf Ramsey' (Dahlia)
Dahlia pinnata
Sir Alf Ramsey produces 25 cm (10 in) double decorative flowers, pale lavender pink towards a cream center, on an upright clump 110 cm (43 in) tall. The No. 1 Van Noort tuber should be planted 10 cm (4 in) deep, in full sun, in fertile, humiferous, well-drained soil. Install a support early, pinch the shoot, water deeply at the base, and remove spent flowers until frost. This decorative cultivar is suitable for beds, large pots, and bouquets. In Quebec, lift the tuber in the fall and store it in a cool, dry, frost-free place. Its lavender pink florets enrich every composition. It blooms generously from July until the first frosts.
- Quantity
- 1 tuber
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 10
Discover the plant
Common nameDahlia 'Sir Alf Ramsey'
FamilyAsteraceae
GenusDahlia
TypeBulb
Botanical nameDahlia pinnata
Reproducible seedsYes
Dahlia ‘Sir Alf Ramsey’ (Dahlia). Dahlia ‘Sir Alf Ramsey’ produces immense, fully double decorative flowers, often 25 cm (10 in) or more wide. Their numerous lavender-pink to pale lilac florets gradually lighten to a creamy white center, creating a soft depth despite the spectacular size. Medium green foliage adorns an upright clump 100 to 120 cm (39 to 47 in) tall and about 55 cm (22 in) wide. This giant dahlia is suitable for the back of borders, cutting gardens, and large stable containers where its volume can be supported without smothering neighboring plants. Plant the No1 tuber after the last frost, when the soil has warmed.
Lay it 12 cm (5 in) deep, bud side up, in fertile, humus-rich, loose, and well-drained soil. Allow 55 cm (22 in) around the crown, choose full sun, and protect the plant from prevailing winds. Install a sturdy stake at planting time, before the roots make the operation difficult. Water sparingly before emergence, then deeply at the base when the surface is dry. Pinch the shoot back to 25 to 30 cm (10 to 12 in) to encourage branching. Incorporate mature compost and fertilize moderately, with more potassium at the bud stage, to support firm stems without excess nitrogen.
Combine ‘Sir Alf Ramsey’ with blue delphiniums, white gauras, silver artemisias, and flowing grasses to extend its pastel palette. To obtain a giant flower, retain the terminal bud and remove lateral buds; for more cutting stems, let the plant branch freely instead. Harvest almost open flower heads early in the morning and continuously remove spent blooms. Very double flowers offer little accessible pollen; add single neighbors for beneficial insects. Monitor for slugs, aphids, and spider mites, then aerate the foliage. In Quebec, lift the tuber after the first frost, let its surface dry, and store it in the dark, cool, dry, and frost-free.
Sowing guide
It all startswith a seed.
Sowing depth
4 to 6 in. (10 to 15 cm)
Sowing period
Spring
Propagation
Division of tubers each bearing a viable bud
Growing method
After the last frost, loosen a sunny area to 12 inches (30 cm) and incorporate mature compost. Place the tuber horizontally 4 inches (10 cm) deep, bud side up, then leave 22 inches (55 cm) around the crown. Backfill without compacting and only water if the soil becomes dry before emergence. Pinch the shoot 8 to 12 inches (20 to 30 cm) above a pair of leaves. Immediately install a sturdy stake. When growth accelerates, water deeply at the base and fertilize sparingly, favoring potassium for buds. Tie the stems with flexible ties, harvest flowers when almost open, and remove faded flower heads. After frost, cut the stems, lift the tuber, let its surface dry, and store it in a cool, dry, frost-free place. The pale lavender-pink to cream center contrast remains sharper when the plant receives at least six hours of direct sun and regular feeding without excess nitrogen. A stake installed early supports the 10-inch (25 cm) flower heads after rain without compressing the stems or damaging active roots. Remove spent flowers before seed formation so the clump directs its energy toward new buds until the first frost.
Soil and care
The right care,at the right time.
Soil pH
Slightly acidic to neutral
Minimum temperature
5 °C (41 °F)
Care level
Moderate
Watering
Water regularly to keep the soil evenly moist without overwatering. Reduce watering before autumn tuber harvesting. Before watering, check the moisture beneath the surface with your finger rather than following a fixed schedule. Recent rain, wind, and container growing can quickly alter needs. Direct water to the soil at the base of the plant and allow any excess to drain freely.
Soil type
Rich, loose, humus-rich and perfectly drained soil, remaining moist without excessive humidity. From late summer to mid-autumn, long, strong stems bear these remarkable flower heads above the bed. Plant it 12 cm (5 in) deep, bud up, in fertile, humus-rich, loose, and freely draining soil. Leave 55 cm (22 in) around the crown, choose full sun, and protect the plant from prevailing winds. Incorporate mature compost and fertilize moderately, with more potassium at the budding stage, to support firm stems without excess nitrogen.
Fertilization
Incorporate mature compost before planting. At the start, use a balanced formula low to moderate in nitrogen, then favor more potassium when buds appear. Follow the recommended dosage and water afterward. Too much nitrogen produces tender stems and fewer flowers. The contrast of pale lavender-pink to a cream center remains sharper when the plant receives at least six hours of direct sun and regular feeding without excess nitrogen.
Seasonal care
In spring, inspect the tuber, remove only rotten tissue, and plant after the last frost in warmed soil. Install support immediately. Until sprouting, avoid repeated watering. In early summer, pinch the shoot to 20 or 30 cm (8 to 12 in), tie new stems, and keep the soil moist without saturation. As soon as buds appear, fertilize moderately with more potassium. In summer, water deeply at the base during dry periods, harvest flowers when almost open, and continually remove faded flower heads. Monitor for slugs, aphids, earwigs, spider mites, and gray mold. After the first frost, cut the stems, gently lift the tuber, let its surface dry, label it Sir Alf Ramsey, and store it in darkness, in a cool, dry, and frost-free place. Check it monthly during winter. The pale lavender-pink contrast towards a cream center remains sharper when the plant receives at least six hours of direct sun and regular feeding without excess nitrogen. A stake installed early supports the 25 cm (10 in) flower heads after rain without compressing the stems or damaging active roots. Remove faded flowers before seed formation so that the clump directs its energy towards new buds until the first frost. Always water slowly at the base, then allow the top layer to breathe to maintain a balance between moisture, oxygen, and drainage. The pale lavender-pink shades towards a cream center pair particularly well with blue, white, purple perennials, and light grasses.
Container growing
A garden,within reach.
Recommended pot size
Capacity 40 to 50 L, deep and very stable
Container gardening requires anticipating the necessary volume for the roots and the plant's final height. Choose a stable pot with drainage holes and a suitable planting medium. Leave enough space to respect the recommended depth and spacing, rather than crowding plants to immediately fill the pot. Place the container in the indicated exposure and regularly check the humidity, especially in hot or windy weather. A pot is more exposed to temperature variations than a plant in the ground. Therefore, plan for an overwintering location compatible with the plant's needs and your region's climate from the outset. Plant in the spring when all risk of frost has passed and the soil has warmed sufficiently. Choose a sunny spot, sheltered from strong winds, in fertile and well-drained soil. Arrange the tuberous roots with their crown and buds facing upwards, without breaking the fragile attachments. Install a stake at planting if support will be necessary, to avoid damaging the roots later. Water sparingly at the start, then adjust the watering according to foliage growth. Consistently soggy soil around the tubers should be avoided, especially before the first shoots appear. Plan to bring the storage organs indoors, away from frost, for the Quebec winter.
Bloom and dimensions
Its place,in your garden.
Mature height
100 to 120 cm (40 to 48 in.)
Width / spread
50 to 60 cm (20 to 24 in)
Flower color
Lavender rose to pale lilac, cream center
Foliage color
Green
Foliage type
Lapsed
Growth rate
Quick
Bloom period
The immense double flowers display perfectly symmetrical petals in shades of pale lilac and silvery lavender. Dahlia ‘Sir Alf Ramsey’ (Dahlia ‘Sir Alf Ramsey’) Dahlia ‘Sir Alf Ramsey’ produces immense, fully double decorative flowers, often 25 cm (10 in) or more in width. Their numerous lavender-pink to pale lilac florets gradually lighten towards a creamy white center, creating a soft depth despite the spectacular size. Incorporate mature compost and fertilize moderately, with more potassium at bud set, to support firm stems without excess nitrogen.
Harvest
July to October. Pick flowers when fully open for best vase life.
Garden associations
In goodcompany.
Companion plants
Pairs perfectly with gypsophila, cosmos, ornamental grasses and salvias to create elegant and romantic borders. This giant dahlia is suitable for the back of borders, cutting gardens, and large, stable containers where its volume can be supported without overwhelming neighboring plants. Combine 'Sir Alf Ramsey' with blue delphiniums, white gauras, silver artemisia, and soft grasses to extend its pastel palette. The very double flowers offer little accessible pollen; add single-flowered neighbors for beneficial insects.
Frequently asked questions
Your questions,answered.
When to plant Dahlia Sir Alf Ramsey?
Plant the tuber after the last frost, when the soil has warmed up and is no longer saturated. Lay it 10 cm (4 in.) deep, bud facing upwards, in fertile, humus-rich, well-drained soil. Leave 55 cm (22 in.) around the crown and install a support immediately. In cold regions, start it in a pot four to six weeks earlier, then gradually acclimate the shoot before planting out. Water very little before emergence to prevent rot, then increase watering once the roots and stems are active. Full sun develops strong stems and intensifies the purple-red and black contrast.
What colors do Sir Alf Ramsey's flowers wear?
Sir Alf Ramsey can produce 10 in (25 cm) or larger flower heads when the plant receives full sun, rich soil, deep watering, and balanced nutrition. Keep the terminal bud on a stem and gently remove the side buds to focus energy into a single flower. Install a sturdy stake before growth begins and tie the stem loosely to it. This technique reduces the total number of flowers; therefore, allow several other stems to branch out normally if you also want to harvest bouquets throughout the season. Protect each giant flower from strong winds and long, direct rain.
How to support and help Sir Alf Ramsey flourish?
Install a sturdy stake at planting to avoid damaging the roots later. Tie the stems with soft ties as they grow. Pinch the young shoot back to 8 to 12 inches (20 to 30 cm) to encourage branching. Water deeply at the base when the surface is dry, then allow excess water to drain. Incorporate mature compost initially, then use a moderate fertilizer, richer in potassium once buds begin to form. Avoid excessive nitrogen, which produces tender stems and a lot of foliage. Regularly remove spent flowers so that energy is directed to subsequent buds until frost.
Can Sir Alf Ramsey push into a big pot?
Yes, choose a stable container of 40 to 50 L, deep, well-drained, and filled with rich but aerated potting soil. Plant a single tuber 10 cm (4 in.) deep and insert the support before the roots develop. Place the pot in full sun, protected from gusts of wind. Water sparingly before sprouting, then abundantly when the top layer dries, without leaving water in the saucer. Apply moderate liquid fertilizer, richer in potassium as soon as buds appear. Turn the container weekly, pinch the young shoot, and remove faded flowers to maintain a balanced shape and generous blooming.
How to winterize Sir Alf Ramsey in Quebec?
After the first frost blackens the foliage, cut back the stems, leaving a short stub. Lift the tuber with a fork, working far enough away to avoid damaging it. Gently remove excess soil, allow the surface to dry in a ventilated area, and clearly label Sir Alf Ramsey. Store it in a dark, cool, dry, frost-free place, in a slightly insulating material that limits desiccation without retaining water. Inspect it monthly. Remove only parts showing active rot and increase ventilation if condensation appears. Wait until after the last spring frost and for the soil to warm up before replanting.
Wildlife and pets
Life,around your plants.
Supporting wildlife
The very double florets restrict access to pollen and nectar. Sir Alf Ramsey contributes mostly to ornamental value. To feed bees and butterflies, plant sages, verbenas, echinaceas, or other single flowers rich in resources nearby. The pale lavender-pink contrast to a cream center remains sharper when the plant receives at least six hours of direct sunlight and regular feeding without excessive nitrogen.
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