Growing guide

How to grow spinach in Ireland

Illustration of spinach

True spinach is a quick leafy crop, but long days and hot dry weather can push it into flower. Baby spinach is the same crop picked young, not necessarily a special variety. Select seed for the intended season. A spring or late-summer direct sowing is a practical start; one variety cannot be assumed to work equally well all year.

On this page
  1. At a glance
  2. When and where to start
  3. Planting and spacing
  4. Routine care
  5. What to watch for
  6. Harvest and storage
  7. Common questions
  8. Sources

At a glance

Start with
Seasonally suitable spinach seed; consider stated mildew resistance
Best position
Fertile, moisture-retentive ground; some shade in summer heat

When and where to start

Direct sowing. Sow suitable varieties March to September. August and September sowings can supply autumn and overwintered leaves in milder areas. Winter growth slows: late sowing does not guarantee continuous leaves in every cold garden.

Planting and spacing

Prepare a fine clean seedbed and follow the packet’s depth instructions. Water gently so seeds stay evenly distributed. This direct-sowing method has no transplanting stage.

For larger leaves, use rows around 30 cm apart and thin to 5–15 cm between plants. Baby-leaf production is denser: the source describes 7.5 cm rows and a young harvest. Do not use that layout for full-sized plants.

Start with a modest patch and repeat small sowings in suitable seasons. Check each variety’s months instead of using leftover seed indiscriminately.

Routine care

Water in dry spells and remove weeds early. Fertility helps, but even bolt-resistant varieties are not immune to hot dry conditions.

Check growth during long-day weather. Flowering is a reason to review variety and timing, not proof that every gardener made the same watering mistake.

Gather leaves without damaging the centre and leave healthy foliage to support further growth. A fast crop needs frequent attention if you want tender leaves.

What to watch for

A rising flower stem signals bolting. Gather usable leaves and move picking to a younger sowing rather than relying on the ageing batch.

Downy mildew can spoil leaves. Choose appropriate resistant varieties and reconsider a variety that repeatedly suffers. Aphids and caterpillars can hide in crowded foliage.

Harvest and storage

Baby leaves may be ready in three to seven weeks depending on season. Larger cooking leaves need more time and space; check quality, not only elapsed weeks.

Use promptly or refrigerate if needed. The storage section treats spinach as perishable, not a long-keeping crop. Wash before preparation where soil has splashed onto low leaves.

Common questions

Is baby spinach another plant?

Not necessarily. It is spinach picked at a young leaf stage.

Why does spinach flower so quickly?

Long days can trigger flowering, with hot dry conditions adding pressure. Variety and sowing season matter.

Is perpetual spinach the same crop?

No. It is a leaf beet with a different, generally longer-lived habit. Do not transfer one schedule to both.

Sources