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Best Practices in Growing Pumpkins

Sep 3

Written by:
9/3/2012 11:23 AM  RssIcon

WHEN IS IT BEST TO USE TRANSPLANTS AND WHEN IS IT BEST TO DIRECT SEED?

Pumpkins need an optimum soil temperature of 21oC to germinate. At this temperature seed should take approximately 6-8 days to emerge. Most pumpkins will NOT germinate if soil temperatures are under 16°C so, therefore, if an early crop is planned then seedling transplants must be used.

Once soil temperature has warmed up to the required germination temperatures then direct sowing of seed into soil can commence. Seed should be sown 2.5cm to 4.cm deep.

Soil Temperature

The plants response to this temperature

<12 ºC

No germination

12 - 15 ºC

Very poor and slow germination

16 to 19 ºC

Seedlings emerge within 7 days

21 ºC

 Best for root development



Air Temperature

The plants response to this temperature

< 0 ºC

Plants will be damaged

< 13 ºC

Very slow to no growth

18 to 27 ºC

Good to strong growth

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