Multiply Your Garden for Free: Propagating Plants in March

If you’re eager to expand your garden without spending a fortune, March is the ideal time to start propagating plants. As daylight increases and plants awaken from dormancy, a variety of shrubs and perennials readily root, allowing you to create new plants for borders, containers, and garden beds. Taking cuttings now means you’ll avoid waiting another year and benefit from the optimal conditions for successful propagation.

Why Propagate in March?

March offers a unique window for plant propagation. Stems are energized but haven’t yet expended energy on flowering, and temperatures are cool enough to minimize stress while still allowing for growth. This combination creates a sweet spot for rooting cuttings before the growing season fully kicks off.

6 Plants to Propagate in March

1. Lavender (Lavandula angustifolia)

Lavender is a classic herb garden staple, and March is an excellent time to propagate it in temperate zones (USDA 6–9). Take 3–4 inch cuttings from new growth before flower buds appear. Remove the lower leaves and insert the cuttings into a gritty potting mix, keeping them bright but shielded from direct sunlight. Expect sturdy young plants by early summer.

2. Rosemary (Salvia rosmarinus)

If your rosemary plant survived the winter, now is the time to multiply it. March cuttings root faster than those taken later in the season when stems become woody. Take semi-soft tips and root them in water or a free-draining potting mix. In milder climates (zones 8–10), cuttings can even be inserted directly into prepared soil outdoors. Roots typically form within four to six weeks.

3. Hydrangea (Hydrangea macrophylla)

Hydrangeas are generous plants, and March is the prime time for propagation in cooler temperate climates. Choose non-flowering shoots, cut below a node, and reduce large leaves by half to minimize moisture loss. Insert into moist, sterile potting mix and cover with a propagator lid or plastic dome to maintain humidity. Consistent moisture is key for young hydrangea plants throughout their first summer.

4. Fuchsia (Fuchsia hybrida)

Fuchsias root exceptionally well. In zones 7–10, overwintered plants will produce fresh shoots in March, perfect for softwood cuttings. Pinch out 2–3 inch tips, remove lower leaves, and insert them into moist potting mix. Maintain them humid and shaded, and they should root and branch within weeks, creating bushier plants for summer containers.

5. Penstemon (Penstemon digitalis)

Penstemons respond well to early spring cuttings before flowering stems toughen. In temperate zones 5–8, March provides the ideal conditions. Select fresh basal shoots, as they root more readily than flowering stems. Insert into a free-draining mix and keep evenly moist, avoiding overwatering.

6. Sage (Salvia officinalis)

Nothing beats the aroma of fresh sage. March sage cuttings root quickly, especially in zones 6–9 where plants are just breaking dormancy. Take short, soft tips before the stems become woody. Sage prefers a lean, sharply drained medium.

Essential Tools for Propagation

• Sharp pruners for clean cuts
• Sterile, free-draining potting mix
• Compact pots or cell trays
• Clear propagator lid or humidity dome
• Plant labels
• Liquid feed (such as Alaska Fish Fertilizer)

Tips for Success

• Keep trays bright but out of harsh direct sunlight.
• Resist the urge to tug on cuttings to check for roots – new growth is the best indicator.

Propagation is a rewarding way to expand your garden economically. By taking cuttings in March, you can enjoy a bounty of new plants by summer.