flower seed index herb seed wildflower seed tree seed lawn seed vegetable seed
Dahlia
Plant type:
Tender perennialPlant Height:
30 cmSowing:
Sow January through to May15 – 20
0C.Cover with medium vermiculite
Germination 1 - 2 weeks
Approximate crop timing (mid season)
Sowing to flowering 10 – 12 weeks
Seedling to flowering 9weeks
Growing on:
Temperature 18 – 20 0C
pH 5.8 – 6.2
Feeding Constant balanced N:P:K fertiliser. EC 0.8 – 1.0
Growth Regulation If necessary, plants will react to B-nine.
Advice Deep planting of plugs will produce a more stable plant. Do not let plants wilt –
too little water will produce small plants.
Common diseases Botrytis, mildew, TSWV
Common pests Thrips, red spider mites, whiteflies, aphids, leafminers
Any chemicals referred to should be used only in accordance with the manufacturer’s instructions.
The Technical and cultural details are written for gardeners and growers, they are not cut and dried and are for information purposes only. It is not intended as a blue print for growing. A guide for you to use and adjust the data to suit your growing conditions. All information is based on UK conditions and should be used for guidance only. No guarantee is given for the resultant crop, or liability accepted for using the information used on this website in any article web page or cd rom.