How to Grow Sainfoin Renova
Wikimedia Commons
Sainfoin Renova
Onobrychis viciifolia
herbSainfoin Renova is a high-yielding, improved cultivar of sainfoin, a perennial legume valued for forage and soil improvement. This variety is selected for vigor, disease resistance, and enhanced nutritional quality in livestock feed. It's a deep-rooted plant that fixes nitrogen and improves soil structure over multiple years.
When should you plant Sainfoin Renova in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Sainfoin Renova timeline · Pittsburgh, PA (Zone 6b)
-
Plant Sainfoin Renova
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Sainfoin Renova
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Sainfoin Renova dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-7, with best performance in cooler temperate climates
Sign up free to see if Sainfoin Renova grows in your zone — and get a personalized planting timeline.
Get my Sainfoin Renova timeline →Growth Stages
Seedling
4-6 weeksSlow initial growth with cotyledons and first true leaves emerging. Plant is establishing deep taproot system.
Keep soil consistently moist but not waterlogged. Thin seedlings to proper spacing. Protect from competing weeds.
Vegetative Establishment
8-12 weeksCompound pinnate leaves develop, plant forms low rosette. Root system extends deeply into soil. Growth appears slow aboveground.
Maintain weed-free conditions. Avoid grazing or cutting first year. Water during dry periods. Minimal fertilizer needed due to nitrogen fixation.
First Year Growth
Remainder of first growing seasonPlant builds robust root system and establishes basal crown. Limited flowering may occur late in season.
Allow undisturbed growth. Do not harvest in first year. Monitor for weeds and pests.
Flowering
6-8 weeksDense spikes of small pink to red flowers appear from late spring through summer. Highly attractive to pollinators and livestock.
First major harvest can occur after flowering begins in year 2. Cut at early bloom for best nutritional quality. Allow some flowers for seed production if desired.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Rotate pastures, encourage natural predators, maintain plant vigor through proper management
-
Spray with insecticidal soap or neem oil if populations high; encourage beneficial insects
-
Select resistant varieties (Renova has good resistance), rotate grazing
-
Monitor population; natural predators usually control, rarely requires intervention
Uses
Livestock forage and feed
CulinarySainfoin Renova is a premium forage crop for grazing livestock and hay production, valued for high protein content (12-20% depending on growth stage) and palatability. It provides sustained nutrition and supports animal health. [source]
Soil improvement and nitrogen fixation
HouseholdAs a nitrogen-fixing legume, Sainfoin Renova enriches soil with biologically available nitrogen, reducing fertilizer requirements for subsequent crops. It improves soil structure through deep taproots and organic matter accumulation. [source]
Traditional herbal use
MedicinalSainfoin has been traditionally used in herbal medicine for its tannins and anti-inflammatory compounds. It may support digestive health and has been studied for potential anthelmintic (parasite-reducing) properties in livestock. [source]
Pollinator and wildlife support
WildlifeThe abundant flowers attract bees, butterflies, and other pollinators, supporting biodiversity in agricultural landscapes. It provides nectar for honey production and benefits native insect populations. [source]
Cover crop and green manure
CraftSainfoin Renova is planted as a cover crop or green manure to restore depleted soils, prevent erosion, and suppress weeds. It can be incorporated into soil or left as stubble for gradual decomposition. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
First harvest occurs in year 2 at early bloom stage (pink flowers just opening) for maximum nutritional quality and digestibility. Cut 2-4 inches above ground. Allow 3-4 week recovery between cuts for 2-3 annual harvests. Do not harvest after mid-August in northern regions to ensure winter hardiness. Can be grazed or mechanically harvested.
Fun Facts
- 🌱 Sainfoin's name comes from the French 'sainfoin' (holy hay), reflecting its historical use as a premium livestock feed in medieval Europe.
- 🌱 The plant can live 3-5 years or longer with proper management, making it a perennial investment that provides multiple harvests annually after establishment.
- 🌱 Sainfoin contains condensed tannins that may reduce methane emissions in ruminant livestock by up to 15-20%, making it valuable for sustainable farming.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Sainfoin Renova planting timeline
Tell us your zip code and we'll calculate exactly when to start Sainfoin Renova seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Sainfoin Renova timeline →