Skip to main content

Medium Red Clover Cover Crop

Standard · Fabaceae

Medium red clover is a fast-establishing cool-season legume cover crop used to fix nitrogen, shade out weeds, and improve tilth with a fibrous root system and modest taproot. Stands typically reach about 1-2 feet and bloom rosy red to magenta when allowed to mature. As a short-lived perennial or biennial, it is most useful in vegetable rotations where it can overwinter, feed pollinators, and then be mowed or incorporated before the next crop. Key facts: 60–75 days to maturity, 6+ hours of sun, 6–8 " spacing. Can be grown in containers with care (3+ gallon minimum).

Updated April 19, 2026 · Backed by 5 cited sources
Overview

At a Glance

The essentials first: timing, light, spacing, seed-starting, container fit, and overall size.

Days to maturity
60–75 days
Sun
6+ hours
Full Sun, 6 8 Hours
Spacing
6–8 "
between plants
Seed start
0 weeks
before transplant
Container
Possible
Needs 3+ gal minimum
Height
1–2 ft
at maturity
Planting window

Zone Planting Guide

Switch zones to see whether this plant is a strong fit, what frost timing looks like, and any extra notes worth planning around.

This card updates instantly with viability, frost timing, and any planting notes for your selected zone.

Resilience

Plant Health

Stress tolerance, resistance notes, and the most common problems to watch for as plants mature.

Tolerance
Heat: Moderate Cold: High Drought: Moderate

Common Issues

Poor Establishment

Cause: Seed sown too deep or into a loose dry seedbed

Prevention: Seed shallow into a firm bed and press seed for good contact

Weed Competition

Cause: Thin stand during early establishment

Prevention: Increase seeding density and irrigate lightly until seedlings are anchored

Crown Rot

Cause: Poor drainage and wet winter or spring conditions

Prevention: Use well-drained sites and avoid prolonged saturation

Feeding & picking

Nutrition & Harvest

How hungry the plant is, what ripe harvest looks like, and how long the crop keeps after picking.

Feeding
Nutrition
Feeding intensityLow feeder
RecipesWorm Castings Topdress, Compost Tea
Timing
Harvest

Terminate or mow when plants are dense and in bud to early bloom, before stems become overly fibrous.

Expected yield0.05–0.15 lbs/plant
Storage Use immediately as chop-and-drop mulch, compost feedstock, or tilled-in green manure.
Plant relationships

Companion Planting

Helpful neighbors can support growth or deter pests. Keep antagonistic plants separated to reduce stress and competition.

Avoid planting near
Herb Fennel
What you'll need

Growing Supplies

Based on Medium Red Clover's growth profile -- recommendations matched to this variety's specific requirements.

Drip irrigation / soaker hose kit

Every gardener benefits from putting water at the root zone instead of on the leaves, because drip and soaker systems reduce foliar disease pressure by limiting leaf wetness and soil splash. A quality kit should include a backflow preventer, filter, pressure reducer, and UV-resistant tubing.

Source: Iowa State University Extension; Colorado State University Extension; UMass Extension

Soil test kit

A soil test gives a baseline for pH and nutrient status so gardeners can add only what the soil actually needs. Prioritize a mail-in or lab-affiliated kit whenever possible because extension guidance notes that laboratory testing is more accurate than instant readers.

Source: University of Maryland Extension; Purdue Extension; Montana State University Extension

Quality bypass pruners

Extension guidance favors bypass designs because they make cleaner, closer cuts on living tissue than anvil types. Look for hardened steel blades that can be sharpened, a comfortable grip, and a cutting capacity matched to real home-garden stems.

Source: University of New Hampshire Extension; Iowa State University Extension; Purdue University Extension

These are Amazon affiliate links -- if you buy through them, SoilStack earns a small commission at no extra cost to you. It's how we keep the app free and the calendar ad-free. We only link products that match what the research says you actually need.
Research

Sources

Reference material and extension guidance used to build this growing guide.

seed_catalog Seeds Nowuniversity University of Minnesota Extensionreference SARE Managing Cover Crops Profitablyuniversity Mississippi State University Extensionuniversity University of Minnesota Extension crop fertility resources
Internal links

Medium Red Clover Cover Crop Planting Dates by Zone

Jump to your USDA zone for frost dates, start-indoors timing, and a full monthly planting calendar.

Ready to grow Medium Red Clover?

Get a personalized planting schedule based on your exact zone with frost dates, task reminders, and feeding plans.

Start Your Garden Plan