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Allium porrum Tornado

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Approximately 400.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.

Allium porrum Tornado
1000 seeds for 9 Euros
available for preorder


Allium porrum Tornado
2500 seeds for 19 Euros
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Allium porrum Tornado
5000 seeds for 32 Euros
available for preorder


Allium porrum Tornado
10000 seeds for 58 Euros
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Allium porrum Tornado
25000 seeds for 130 Euros
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Allium porrum Tornado
50000 seeds for 240 Euros
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Allium porrum Tornado

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 445453

Type of plant - annual
Fruit: crop Nov.-March
Foliage: long shank, high yield, hardy, ~ rust resist., suit baby leek
Allium porrum Tornado sales history

Common names for Allium porrum Tornado:

Improved Walton Mammoth, 


Allium porrum Tornado is included in the following
B and T World Seeds flowering plant categories.

53:   Bedding Plant Seed List
83:   Vegetable Seed List
161:   Edible Flowers
Some flowers are poisonous if not cooked. Some are only edible while in bud. Identify and correctly prepare all flowers before eating. Do not eat flowers that have been sprayed with weedkiller or other chemicals.
211:  Alliaceae
952:   Wholesale Selection


Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.


Germination guide for Allium porrum Tornado

These notes are a general guide, it is recommended to check specialist literature for some of the more unusual seeds in our lists.
Seed Germination Theory and Practice by Professor Norman C. Deno
Some knowledge about growing from seed is necessary to germinate even the easiest seeds. Most seeds require humidity to germinate, even desert plants like Welwitschia mirabilis require that their growing medium remains moist until germination.

Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet, the seeds may not get the oxygen they require.
Some seeds need to be in the light (surface sown) or in the dark (sown deep enough to receive little or no light) to germinate. A rule of thumb is to cover the seeds their own width deep in the growing medium, but some seeds prefer to be sown much deeper, and some fairly large seeds like to be surface sown (or higher).
Many seeds germinate best at certain temperatures, some will germinate at a comparatively wide range of temperatures, yet others need fluctuating temperatures.
Almost all seeds are waiting in a dormant state for some outside stimulus to break their dormancy, some just need sufficiently high ambiant humidity, others need scarification, vernalization or to be passed through the intestines of an animal.

Allium porrum Tornado seeds will usually germinate in 30-365 days.
Normally will only germinate with light so surface sow. Sow Allium porrum Tornado seeds about 1mm deep in a Well drained seed sowing mix at about 10°C.

Allium porrum Tornado seeds need to be "overwintered" before they will germinate.

Stratification; cold treatment or vernalization. Seeds of some species need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".
Seed Germination Theory and Practice by Professor Norman C. Deno

Place in fridge for 4 weeks.


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