Old Cobblers Farm™ Wicked Tuff Turf Birdsfoot Trefoil
Legume

[{"question":"What is birdsfoot trefoil and what makes it different from clover?","answer":"Birdsfoot trefoil (Lotus corniculatus) is a perennial legume named for its seed pod arrangement resembling a bird's foot. Unlike clovers, birdsfoot trefoil contains condensed tannins that prevent bloat in ruminant livestock—making it the only common forage legume that is completely bloat-safe for cattle and sheep. It also tolerates a wider range of soil conditions than alfalfa, persists under close grazing, and provides nitrogen fixation of 80-150 lbs per acre annually."},{"question":"Does birdsfoot trefoil cause bloat in cattle?","answer":"No. Birdsfoot trefoil is completely non-bloating due to its condensed tannin content, which prevents the foam formation in the rumen that causes bloat. This makes it the safest forage legume for cattle, sheep, and goats. Animals can graze pure birdsfoot trefoil stands without bloat risk—a significant advantage over alfalfa, red clover, white clover, and Ladino clover, all of which can cause bloat when grazed as dominant stands."},{"question":"How long does birdsfoot trefoil take to establish?","answer":"Birdsfoot trefoil is notoriously slow to establish. Germination takes 7-14 days, but seedlings grow slowly for the first 60-90 days, often appearing to stall. First-year stands are typically thin and may look like failures. Full productivity is usually not reached until the second growing season. This slow establishment means birdsfoot trefoil requires patience and weed management during the seeding year—nurse crops like oats can help suppress weeds while trefoil establishes."},{"question":"What soil conditions does birdsfoot trefoil tolerate?","answer":"Birdsfoot trefoil tolerates a wider range of soil conditions than alfalfa. It grows in pH 5.5-7.5 (more acid-tolerant than alfalfa), tolerates moderate drainage issues, and persists on shallow, infertile, and droughty soils. Its deep taproot (3-4 feet) provides drought access. Birdsfoot trefoil is an excellent choice for fields that are too acidic, too wet, or too infertile for alfalfa but where a persistent nitrogen-fixing legume is desired."},{"question":"What is Empire birdsfoot trefoil?","answer":"Empire is an improved birdsfoot trefoil variety developed for better persistence, more upright growth, and higher forage yield compared to common birdsfoot trefoil. Empire offers improved seedling vigor (faster establishment than common types), better disease resistance, and more consistent performance across varied soil conditions. It is the most widely recommended variety for pasture, erosion control, and conservation plantings in the northeastern United States."},{"question":"How much nitrogen does birdsfoot trefoil fix?","answer":"Birdsfoot trefoil fixes 80-150 lbs of nitrogen per acre annually, comparable to red clover. It requires inoculation with a specific Rhizobium strain (Mesorhizobium loti) that is different from clover and alfalfa inoculants. On slopes and erosion-control applications, this nitrogen fixation sustains vegetation on infertile soils without fertilizer access, making birdsfoot trefoil self-sustaining once established."},{"question":"Can birdsfoot trefoil be used for erosion control on slopes?","answer":"Yes. Birdsfoot trefoil is excellent for slope stabilization and erosion control. Its deep taproot (3-4 feet) anchors soil, nitrogen fixation sustains growth without fertilizer on infertile slope soils, and its prostrate growth habit under grazing or mowing provides good ground cover. Empire birdsfoot trefoil is included in erosion-control seed mixes like the Wicked Tuff Turf Hillside Stabilizer at 8% of the blend for exactly these properties."}]