Wildflowers Septic Bed Mixture - Ontario Seed Company
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Septic Bed Native Seed Mixture
A wide variety of shapes and colours that are ideal for growing on sand and gravel. Our only native seed mix that has been tested for use over a septic bed. Contains: 15% Black Eyed Susan (Rudbeckia hirta), 1% Calico Aster (Aster laterifolius), 10% Canada Milk Vetch (Astragalus canadensis), 1% Foxglove Beardtongue (Penstemon digitalis), 1% Golden Alexanders (Zizia aurea), 1% Heath Aster (Aster pilosus), 10% Hoary Vervain (Verbena stricta), 30% Little Bluestem (Schizachyrium scoparium), 1% Marsh Blazing Star (Liatris spicata) and 30% Perennial Ryegrass (Lolium perenne) as a non-invasive perennial nurse crop.
For larger areas, sow at 125 g/90 m2 or 9.5 kgs/ha
How to Grow
Native seed mixes do best when planted in the fall, typically between Oct. 15th and Nov. 15th. A late fall sowing allows the seed to be stratified naturally over the winter and early spring. An early spring sowing in April can work but due to the possibility of unseasonable weather preventing decent seed stratification, there is a greater chance that seed will remain dormant and not germinate until the spring of the following year. Site Preparation. While there is little you can do to deal with the seeds of undesirable plants that are already in the soil, to help minimize unwanted competition in the seeding area, remove existing weeds by hand or apply an organic non-selective herbicide. Once all unwanted vegetation has been taken. care of, loosen soil to 2.5 cm (1") depth with a stiff rake, cultivator or hoe. Prairie flowers and grasses germinate and establish themselves much better when the seed is planted into a bed of loose, well drained soil rather than dense, compacted topsoil. Broadcast the seed evenly and let Mother Nature do the rest. Smaller seed can be mixed with dry sand to improve distribution when sowing. Rain, snow and frost-heaving of the soil will work the seed down into the soil. bed. If you do choose to do a spring planting, it is imperative to make sure the seed comes into good contact and with the soil. Irrigate as needed during the first growing season. Be prepared to cut the site at a height of 20 cm (8") twice during the first growing season and possibly once more early in the second season to help keep aggressive weeds in check while the native plants work through their establishment period. Hand removal of pockets of aggressive weeds may be required during the establishment period. Keep in mind that establishing a native planting from seed typically takes three to four years. Sow at 500 g/180 m2 or 25 kgs/ ha OSC recommends sowing a nurse crop at the same time as the native seed blend. The purpose of a quick germinating nurse crop is to help prevent soil/wind erosion and seed movement, reduce weed competition and provide shelter for the target seed blend during the early establishment period.
Combination of Annual and Perennial.
1 pkt sows approx. 3-5 m2 (30-50 sq.ft.)