25 Seeds.
Other Names - Zucchini, Summer Squash, Marrow…
Suitable For - Vegetable plot, raised beds, container garden
Sowing Months - April - June
Harvest - June - first frost
Add some well rotted manure or compost to the growing area a few months before planting. 1 - 2 weeks before planting add some general purpose organic fertilizer and remove any weeds.
General Information | Sowing & Planting Information | ||
---|---|---|---|
Habit | Annual | Module Grown & Transplants | |
Type | Bush variety | Distance between plants | 80 cm |
Position | Full sun | Distance between rows | 90 cm |
Average height | 45 cm | Direct Sowing | |
Average spread | 90 cm | Sowing distance between plants | N/A |
Hardiness | Half hardy | Distance between rows | N/A |
Overwintering | No | Sowing depth | 1.5 cm - 2.5 cm |
Soil Ph | 6.5 - 7.0 | Germination temperature | 20 to 25℃ |
Days to germination | 7 - 14 days |
Sow 1 seed on its edge per 5 - 7 cm pot. Ensure adequate heat is available for fast germination. Once germination starts reduce the heat and move the seedlings to an area with good daylight exposure, a windowsill or warm greenhouse is ideal. 2 - 3 weeks after germination plant out. The plants will need hardening off over 7 - 10 days before planting out to reduce shock. Discard any weak or unhealthy looking plants. Plant out at the distance advised above.
If the soil is poor with very little organic matter it will be beneficial at this stage to dig a trench about 30 cm wide and 30 cm deep for each individual plant and fill the trenches with a mix of soil and well rotted manure or compost. The stems of the plants are very fragile and very easy to snap or damage. Plant out carefully, firm the soil around each plant and water well. Cover the newly planted courgette plants with horticultural fleece for 2 - 3 weeks or until the plants start to flower.
Marrow plants are vulnerable in cold weather. It is best to start seeds indoors then a few weeks later plant out.
Weed often especially in the early stages. Once the plants start to flower remove the horticultural fleece. Water well in dry weather, water around the base of the plants rather than over the leaves. They will benefit from a mulch of compost to help retain the moisture in the surrounding soil.
Container grown marrows will especially benefit from a liquid feed as they are heavy feeders. Try making your own organic liquid feed using the leaves of the comfrey plant. This easy to grow plant makes nutrient dense fertilizer ideal for the vegetable garden. Marrows will stop growing when the first autumn frost kills the leaves.
Harvest by using a sharp knife, leave 2 - 3 cm of stem when cutting as they will store for longer.
Marrows can be eaten at any size. Harvest when courgette size, or leave on the plant to grow into a marrow. Keep harvesting to encourage more fruits to grow.
No fruit or rotting fruit? - This happens when the temperature in early summer is too cold for adequate pollination to take place. Once the temperature warms up the problem should correct itself.
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