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Gladiolus Fiona - Sword Lily

Gladiolus primulinus Fiona
Sword Lily, Primrose Gladiolus

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More information

This compact gladiolus develops thin, sturdy stems with up to ten flowers each in the summer. The pale yellow to cream-white buds open from bottom to top to reveal mature white flowers. Belonging to the primulinus gladiolus group, this variety could have been a botanical species originally. It is very graceful and its moderate size makes it much easier to integrate into a flower bed than the large classic hybrids. It can also be used to create beautiful potted plants to enhance a terrace.
Flower size
4 cm
Height at maturity
70 cm
Spread at maturity
20 cm
Exposure
Sun
Hardiness
Hardy down to -6°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time March to April, September to October
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Flowering time July to October
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Description

Gladiolus Fiona is a small-sized Gladiolus, easy to integrate into flower beds. Its small flowers have an undeniable natural grace. Throughout the summer, it produces thin and elegant stems that are adorned with white flowers from bottom to top, which stand out beautifully against the dark green foliage. This sun-loving Gladiolus needs no staking, is perfect with plants with vibrant blooms and will also create beautiful scenes with pastel colours. Also ideal for beautiful cut flowers.

The Gladiolus genus belongs to the Iridaceae family, which includes numerous ornamental plants, such as Crocus, the sculptural Tigridia, and of course, Irises. The plant gets its scientific name from Latin, Gladiolus means "small sword", referring to the shape of its leaves. There are over 260 botanical species of Gladiolus, the majority of which originate from South Africa and tropical Africa. There are also numerous hybrids and horticultural varieties divided into three main groups: Grandiflorus (large-flowered), Primulinus (small-flowered), and Nanus (butterfly).
Fiona is a variety named after the wife of Mark van Winsen, a Dutch breeder. He did not create a crossbreed, but started with a botanical species classified in 1991 under the name Gunung Gedeh, a mountain in Sumatra. This Gladiolus has been naturalised there for decades, after being introduced from Europe or Africa. While its origin is somewhat uncertain, its ornamental value is very real. Its long, narrow, dark green leaves provide a beautiful backdrop for its light-coloured flowers. In late spring, thin stems rise from the narrow clump, bearing up to ten flower buds ranging in colour from creamy white to pale yellow. From July to September, or even October, lovely flowers bloom, initially white with a yellow centre, turning completely white as they mature. The flowers have six tepals (the term encompasses the three petals and three sepals, which have a very similar appearance), with the upper tepal curiously curved upwards. The storage organ is a corm, which is a swollen stem with scales. Each corm will produce 2 or 3 flower spikes.

This beautiful Gladiolus will blend perfectly with other plants in the same style. Place a few corms in front of the Hydrangea macrophylla Zorro, a Hydrangea with blue flat heads and black stems to create an exceptional scene. An English rose from David Austin, such as The Alnwick Rose, will also be a perfect companion. Its double cupped pink flowers irresistibly evoke the charm of old roses and will complement the whiteness of your Gladiolus. To perfect the composition, nothing beats a carpet of Saponaria Max Frei, with a multitude of small, soft pink flowers throughout the summer.

 

Gladiolus Fiona - Sword Lily in pictures

Gladiolus Fiona - Sword Lily (Flowering) Flowering

Plant habit

Height at maturity 70 cm
Spread at maturity 20 cm
Growth rate fast

Flowering

Flower colour white
Flowering time July to October
Inflorescence Spike
Flower size 4 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Gladiolus

Species

primulinus

Cultivar

Fiona

Family

Iridaceae

Other common names

Sword Lily, Primrose Gladiolus

Origin

Cultivar or hybrid

Planting and care

Gladiolus 'Fiona' loves rich, fertile, well-drained soils, especially sandy, and hates compact clay. Plant it in full sun. Space the bulbs (corms) 10 to 15 cm (4 to 6in) apart and cover them with 10 cm (4in) of soil. Avoid using manure to fertilise the soil, as it promotes bulb rot, even though Fiona proves to be resistant to Fusarium, a pathogenous fungus in the soil. Gladioli are generally tender, so they should be dug up when they are faded or immediately after the first frosts. Cut the leaves and let them dry in a well-ventilated place for three weeks. Separate the old bulbs and store the new bulbs and bulblets throughout the winter in a cool place, but protected from frost. The bulblets will flower in two years. It is advisable not to plant gladiolus bulbs in the same place for several years in a row. An annual rotation will yield better results. In mild climates, corms can be planted in September-October and left in the ground over winter without damage.

Planting period

Best planting time March to April
Recommended planting time March to April, September to October
Planting depth 10 cm

Intended location

Suitable for Meadow
Type of use Border, Container, Vegetable garden
Hardiness Hardy down to -6°C (USDA zone 9a) Show map
Ease of cultivation Amateur
Planting density 35 per m2
Exposure Sun
Soil pH Neutral, Any
Soil moisture Moist soil, Rich and well-drained

Care

Pruning No pruning necessary
Soil moisture Moist soil
Disease resistance Good
Overwinter Needs to be stored

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