Nation of Gardeners results: Sweet Pea Sir Henry Cecil spring sown

Sweet Pea variety Sir Henry Cecil

Sweet Pea Sir Henry Cecil is a sweet scented chocolate flake variety and was bred in New Zealand by sweet pea breeder Dr Keith Hammett exclusively for Mr Fothergill’s.

Sweet peas be sown indoors or in a coldframe or greenhouse from September through until March though they need protecting from the frosts during the colder months of winter. This plant grows to a height of 6ft.

Our Nation of Gardeners were asked to sow Sweet Pea Sir Henry Cecil in October 2013, and again in April 2014 to test autumn sowing against spring sowing.

The table below charts their progress.

Location Elevation Date planted/sown Date first emerged Notes
Cheshire 49m 10 April 25 April Planted some inside, some outside and some in a pot outside. The first to germinate were the inside ones 13 days and the outside ones 14 days (the autumn ones took 9-12 days to germinate!)
Renfrewshire 28m 14 April 24 April Sown into unheated potting shed.
North Devon 30-50m 14 April Sown 5 seeds to each biodegradable pot
Worcestershire 55m 19 April 3 May Sweet peas of both varieties were sown 19/4 temp in g/house 13 degrees. First seedlings of both appeared 3/5 and to date I have 90%germination
Herefordshire 11 April 19 April Sown to kitchen windowsill east facing
Cumbria 90m 26 April
Ceredigion 131m 14 April 20 April Much faster to grow than Autumn planting
Bristol 55m
Suffolk 6m 10 April 22 April Nipped out growing tips – 3rd May
Hertfordshire 150m 10 April 21 April All in greenhouse (temperature varies but now lower than 11) into seed trays.
Surrey 58m 29 April Waiting to see growth – think they may have been hit by slugs to start with. 16/05/14
Pontypridd 157m 12 April nothing yet! Seeds sown exactly the same as October sowing and so far not one has germinated
Buckinghamshire 66m
Guildford 56m
Gloucestershire 74m 1 May First batch sown 24.4.14 most eaten by field mice.
Moray 13 April
Derbyshire 241m 12 April 22 April Sown x12 into windowsill progagator. Planted out 19 May.  Healthy looking plants.

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