RSPB Signal Box Wiltshire | BSW1c
RSPB Signal Box Wiltshire | BSW1c is a harvested meadow mixture which has been sourced from RSPB Winterbourne Downs nature reserve. One of the largest projects of its kind, with 200Ha of former arable land reverted to species rich grassland to create a safe haven for nesting stone curlews in a semi-natural habitat. Bright Seeds have collected seed for a number of years under a carefully controlled rotation around the downs. This particular field was established in 2007 with brush harvested seed from Salisbury Plain and Bath.
Out of stock. Please contact office: 01722 744494
- Establishment History: 2007 – Arable Reversion
- Origin: Salisbury, Wiltshire
- Soil Type: Shallow lime-rich soils over chalk or limestone
Specification for 2024 harvested stock
Flora
| Wild Carrot | 10.6% |
| Hoary Plantain | 7.6% |
| Common Knapweed | 7.5% |
| Glaucous Sedge | 7.3% |
| Meadow Buttercup | 3.2% |
| Black Medic | 3.1% |
| Wild Marjoram | 1.9% |
| Small Scabious | 1.6% |
| Yarrow | 1.4% |
| Eyebright | 1.4% |
| Rough Hawkbit | 1.0% |
| Ribwort Plantain | 1.0% |
| Ladys Bedstraw | 0.9% |
| Fairy Flax | 0.6% |
| Yellow Rattle | 0.5% |
| Red Clover | 0.5% |
| Oxeye Daisy | 0.3% |
| White Clover | 0.3% |
| Cowslip | 0.3% |
| Pignut | 0.1% |
| Kidney Vetch | 0.1% |
| Salad Burnett | 0.1% |
| Wild Parsnip | 0.04% |
| Greater Knapweed | 0.03% |
| Sainfoin | 0.02% |
Grass
| Quaking Grass | 6.9% |
| Fine Fescue | 3.9% |
| Bent Grass | 1.5% |
| Erect Brome | 0.5% |
| Timothy | 0.5% |
| Cocksfoot | 0.2% |
| Perennial Ryegrass | 0.1% |
| Meadow Fescue | 0.1% |
| Tall Oat Grass | 0.05% |
Inert Matter (chaff, immature seeds, plant material) 34.7%
Recommended Sow Rate:
3-5g/m²
500g to cover <100m²
1Kg to cover <200m²
Sowing Method:
1. Cultivate the area
2. Spray off weeds which flush or alternatively a light cultivation will reduce vigour of weeds
*Repeat as required to create weed free bed*
3. Mix seed well in a bag before sowing, dry sand can be added to aid drilling
4. Ideally broadcast seed or drill at shallow depth
5. Roll to improve seed-to-soil contact
Once you have sown the mixture, it is very important to manage the growth for the first year. This includes cutting and weeding if possible. If sowing in the autumn, cut the sward when the grass gets established and keep it down to help the flower seeds to germinate. If sowing in the spring, again keep the grass low for the first growing season.
When to sow:
While sowing can occur at either timing, generally speaking, the preferred sowing window is the Autumn as this mirrors nature more accurately. Most perennial wildflowers require vernalisation, a prolonged period of cold, to break dormancy and achieve germination. The winter months after Autumn sowing aids this process. In addition, there is a lower weed burden.
Spring sowing success is reliant on the weather, a cold spring will slow growth and therefore reduce resilience against weeds. However, if warm with moderate rainfall, similar results can be seen as to autumn sowing.
Key to remember:
When sowing wildflowers, the key thing to remember is the cleaner the seed bed the better the success. Wildflowers are often less vigorous than weed species and will struggle to compete against them.
When it comes to fertility, typically speaking wildflower prefer low fertility areas as there is less competition from weeds. However, this does not mean you cannot sow on higher fertility areas, simply more management may be required to control growth and weed ingress.
