Four Salads for Winter Quiz

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What is claytonia also known as?

1 point

Uplands cress

Winter purslane

Miners lettuce

Lambs lettuce

When is the natural season of leaf growth for claytonia, corn salad and land cress?

1 point

Spring and summer

Autumn

Autumn and winter

Spring

Clear selection

When growing any winter salad plants in containers, what do I recommend for healthy growth and cropping over several months? Choose all that apply.

1 point

Add perlite if using homemade compost to improve drainage

Feed plants once a week

Use compost with sufficient nutrients, usually ‘all-purpose’ or ‘potting’

Pam Dawling has found that claytonia, corn salad and land cress can all survive deep cold under cover. What temperature does she suggest is their lower limit?

1 point

-5° C/23 °F

-10 °C/14 °F

-19 °C/-2.2 °F

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When is the best time to sow all three?

1 point

Early winter

Early autumn

Early summer

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At what stage after sowing do I recommend that you transplant?

1 point

When plants are four weeks old

There is no optimum size or time

When plants are six weeks old

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I recommend dibbing holes 2.5 cm/1 in deeper than the rootball, so that plants are nestled deep and in the warmth of soil through winter.

1 point

True

False

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What spacing do I recommend when planting out land cress, claytonia and endive?

1 point

10 cm/4 in

22 cm/9 in

15 cm/6 in

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Which pest have I found to be particularly fond of land cress?

1 point

Rabbits

Deer

Pigeons

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What is my standard practice, as regards adding compost to my polytunnel beds?

1 point

Spreading it at 5 cm/2 in thick, after clearing tomatoes and cucumbers

Spreading a top-up at 2.5 cm/1 in thick

I find that spring is the best time to spread compost, as plants rise to flower

Clear selection

What differentiates endive (as I describe endive) from chicory? Choose two answers.

1 point

Endive plants (Cichorium endivia) do not form tight heads in the way that chicory plants (Cichorium intybus) often do

It produces pink flowers as opposed to the blue of chicory

You can’t grow chicons from endive plants (Cichorium endivia)

Why do picked endive leaves store for longer than picked lettuce leaves?

1 point

They are larger with lower surface area

They have a higher content of dry matter, meaning less water percentage per leaf

They are more bitter – the tannins mean better keeping quality

They are biennial

Clear selection

How many weeks after transplanting do I suggest you could take a first harvest?

1 point

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Why are endives more reliable than lettuce in autumn? Choose two answers.

1 point

Due to their bitter flavour, they’re less affected by slugs

Because they suffer less mildew

They need less watering than lettuce, which might be growing at the same time

Autumn is their main season of growth (whilst it’s not for lettuce)

What differentiates Scarole endive varieties from Frizzy?

1 point

They have larger, rounder leaves

They are darker green in colour

They head up less readily

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What do I recommend when sowing seeds of all the plants covered in this lesson?

1 point

Water every day after sowing

Cover only with a very light dusting of compost

Sow outside as opposed to under cover, because it’s warm

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For harvesting endive from July through to April, including under cover in winter, which three sowing times do I recommend?

1 point

Early summer

Late summer to early autumn

Mid-autumn

Late spring

Midsummer

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How many endive plants have I found necessary to grow, for saving seed?

1 point

Several

One

Two

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