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Seed Planting Guide

Seed Planting Guide

It's time to start growing! So we have provided you with our top tips to planting your seeds.

Sowing Outdoors

Sowing Outdoors

The soil should be warm, well drained yet moist and free from weeds. A good tip as to when the soil is warm enough is to watch the weed seedlings. Normally when they germinate and emerge, you are okay to clear them off and sow your seeds. Rake your soil to a fine, crumbly surface and follow directions on the packets.

Sowing Indoors

Sowing Indoors

Sow in trays using a fresh, moist, good quality seed or universal compost. (Most germination failures are due to poor compost). Firm the surface prior to sowing. Water and place in a warm, moist, well-lit position.

Sowing Depth

Sowing Depth

Sowing too deep can lead to germination failure as the seed can run out of energy before the shoot reaches the surface. Always follow packet instructions.

Light

Light

Most seeds need covering with soil or compost, but some, e.g. Lobelia and Petunia need light to germinate and therefore should be sown on the compost surface.

Water

Water

Seed can fail to germinate if the soil or compost is too wet or too dry. So how can you tell? Indoors we suggest that when you have sown your seed in trays or pots, you place them in shallow water in a sink until you see the compost surface turn darker in colour. Normally then there should be sufficient moisture to ensure germination. For outdoor sowing, follow the tip as in ‘Sowing Outdoors’ above.

Temperature

Temperature

Each type of seed has its own ideal germination temperature. Always refer to recommendations on the packets. Remember that temperatures too high, as well as too low can inhibit germination. Do not be tempted to sow earlier than recommended.

Pests and Diseases

Pests and Diseases

The most common reason for seedlings dying is ‘Damping Off’ – a fungal disease caused by poor light, excessive moisture and sowing the seed too thickly. The cure of course is correct levels of light, moisture and sowing density!

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Nags Hall 01883 742275

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Knights Nags Hall, Oxted Road, Godstone, Surrey, RH9 8DB

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Knights Nags Hall, Oxted Road, Godstone, Surrey, RH9 8DB

Betchworth 01737 842099

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(8.00am - 6.00pm in Summer)
SUN 10.00am - 4.00pm
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Knights Plant Centre, Station Road, Betchworth, Surrey, RH3 7DF

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