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Check out our summer annual guide!

Summer Annuals

Definitions & Tips:

  • Brachytic Dwarf - reduces length between nodes to shorten plant height, which results in higher leaf-to-stalk ratio and reduced lodging.

  • BMR - brown midrib varieties have lower lignin than conventional products resulting in higher palatability and digestibility.

  • WMR - white midrib varieties have lower lignin than conventional products resulting in higher palatability and digestibility.

  • PPS - photo-period-sensitive varieties will not produce a head until late in the season when daylight is reduced. This results in higher yield of vegetative material.

  • Prussic Acid - a harmful acid that can build up in the sorghum family of plants and have harmful effects on livestock. Occurs when plants are harvested too immature, or after a killing frost. Only occurs in sorghum family products. To mitigate risk, allow plants to reach 24" height before grazing or harvest and wait 7 days after a killing frost before harvesting.

  • Soil temps need to be at least 55°F before planting summer annuals. Frost will kill all summer annual species.

  • Make sure to apply adequate nitrogen fertilizer prior to seeding!

Summer Annual Guide

Sudangrass

Sudangrass has the finest stem of the sorghum family products. It is a great hay option or grazing option, and is multi-cut. For those looking to make dry hay, plant 40#/acre and mow with a conditioner. Sudangrass varieties may be available with the following traits: BMR, PPS

Seeding Rate: 25-40# / acre (higher rate = finer stems)

Depth: 1/2" - 1" deep

Sorghum-Sudangrass

Sorghum-Sudangrass is a flexible option for those who are looking for both tonnage and quality. It can be hayed (best when planted at 35+#/acre), chopped, or grazed. Most producers use it as a multi-cut option. Sorghum-sudan varieties may be available with the following traits: BMR, WMR, PPS, BD

Seeding Rate: 25-40# / acre (higher rate = finer stems)

Depth: 1" - 1.5"

Forage Sorghum / Grain Sorghum

 Seeding Rate: 6-9# / acre. Depth: 1" - 1.5"

Millets

Millets are not a member of the sorghum family and do not have the risk of prussic acid poisoning. 

Teff Grass

Teff is a very fine summer annual grass that makes exceptional quality dry hay, and can command a premium! Teff should be planted in late May - early July. First cut is typically 50 days after planting, with subsequent cuts every 30 days. Do NOT seed deeper than 1/8". Teff has no prussic acid risk! Seeding Rate: 6 - 10# / acre

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