Iris Natchez Trace - Tall Bearded Iris
Iris Natchez Trace - Tall Bearded Iris
Iris germanica Natchez Trace
German Iris, Bearded Iris
The rootstocks have grown well, they might not flower this summer but have found their place in the sun, just a bit "eaten" by slugs I suppose. I'm keeping an eye on them. Thanks PDF.
marthe , 31/03/2026
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Description
Iris 'Natchez Trace' (TB) is a beautiful variety of tall bearded iris from the 60s that has never disappeared from catalogues. Its flowers are very large, with a beautiful texture that enhances its "red" two-tone colour, blooming over a long period on floral stems with many buds. Stunning with yellow, orange or blue varieties!
Iris 'Natchez Trace' is a rhizomatous, deciduous, upright, clump-forming perennial which belongs to the Iridaceae family. It is one of the many cultivars obtained over centuries, whose controversial origin is debated around the number of chromosomes of potential ancestors. It should be noted that bearded irises have European origins.
Iris 'Natchez Trace' will reach 90 cm (35in) high when flowering. Each rhizome produces a well-branched stem that bears many flower buds, ensuring a long flowering period. The clump will spread very quickly, with no theoretical limit over time, as the centre rhizomes thin out in favour of the outer rhizomes. The foliage consists of long sword-shaped, glaucous green, strongly veined leaves. Floral stems appear in April and bloom from the top to the bottom from the mid to late tall iris season. The large flowers are composed of 3 erect rose-red, conical petals, touching at the top, and 3 velvety, crimson brown sepals. The thick beards are bronze orange.
Obtained by Wills, 1969
To accompany iris, choose plants based on their needs (exposure, soil...), growth (low-growing plants or light foliage), decorative appearance and flowering date. For example, Gaura will cast little shade on the iris and will keep the faded iris bed attractive throughout the summer. Eschscholzia will be happy with dry soil in summer, just like the iris. Geraniums, salvias, and Libertia also accompany irises very well. Slopes and terraced edges can be stabilised by dense planting of old diploid varieties that require little care. If the goal is more decorative and access for care is possible, you can choose more modern varieties that are less likely to be laid flat by wind and rain.
Tall irises can be used at the foot of a very sunny wall, sheltered from the wind. They can be planted in the background of lower and earlier varieties. The vegetable garden can accommodate a few clumps of irises for cut flowers.
Iris Natchez Trace - Tall Bearded Iris in pictures
Flowering
Foliage
Plant habit
Botanical data
Iris
germanica
Natchez Trace
Iridaceae
German Iris, Bearded Iris
Cultivar or hybrid
Planting and care
Do you have a very sunny location, rather dry in summer?
This is the ideal location for irises! In the shade, they grow but do not flower. They are hardy and do not need winter protection. Well-drained soil is perfect, even dry and chalky, or rocky. Soil that is too moist promotes rotting of the rhizome. Plant from July to September to give the rhizomes enough time to grow and develop new roots before winter. They should be planted as soon as they are purchased for best results. Plan to divide irises approximately every 4 years to give them fresh soil. They are vigorous and require space to develop and flower well. Plant with a spacing adapted to the size and vigour of the variety: approximately 34-50 cm (13-20in) for tall ones. Always consider the direction of growth of the rhizomes by arranging them in a star shape, with buds and leaves facing outward, and spacing them well away from other varieties so they have room to grow.
Planting
Dig a hole that is wide and deep enough. Make a conical mound of soil in it, on which the rhizome and spread-out roots are placed. Cover the roots. It is important that the rhizome is at the surface of the soil. It should not be planted in a hollow (risk of rotting), so take into account that the soil will settle and the iris will sink. In clayey or moist soil, the rhizome can even be left raised on a slight mound. To make the soil cling to the roots, lightly firm and water abundantly immediately after planting. Water 2-3 times if necessary until established.
Maintenance:
Keep the soil free of weeds by shallow hoeing, taking care not to damage the rhizomes or roots. Weeds shade the irises, retain moisture (causing rot), and attract slugs. Likewise, remove dry leaves. If they are diseased (reddish-brown spots of heterosporiosis), we recommend burning them. Remove faded flowers.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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