Mar

Last spring frost mid-April. First fall frost mid-October. A ridge runs colder than a hollow. Treat dates as a week either way, not a promise.

Sow
Peas, spinach, radish, carrot as soon as the soil works
If a handful of dirt crumbles, sow. Mud is a wasted packet.
Pea · Spinach · Carrot
Sow
Heartsease, cornflower, snapdragon
Cool-season flowers go in with the lettuce, not with the zinnias.
Heartsease · Cornflower · Snapdragon
Sow
Potato in the last third of the month
When the redbud thinks about it, not in a February bog.
Potato
Sow
Alyssum under next month’s brassicas
A hoverfly skirt wants the same cool start as kale.
Sweet alyssum · Kale · Cabbage

Also in leaf or flower

Chamomile · Ginger · Purple coneflower · Elderberry · Garlic · Aloe · Calendula · Milk thistle · Ashwagandha · Nettle · Dandelion · White willow · Kava · Lion's mane · Cordyceps · Shiitake · Snow fungus · Oyster mushroom · Enoki · Wood ear · English yew · Gotu kola · Oregon grape · Chickweed · Cinnamon · King oyster · Almond mushroom · Morel · Parsley · Cilantro · Bay laurel · Chives · Green cardamom · Clove · Oatstraw · Button mushroom · Black pepper · Nutmeg · Horseradish · Brown mustard · Star anise · Slippery elm · Vanilla · Cacao · Coffee · Flax · Nigella · Allspice · Sorrel · Watercress · Eucalyptus · Tea tree · Neem · Nameko · Pioppino · Pine · Potato · Onion · Carrot · Beet · Cabbage · Kale · Broccoli · Spinach · Pea · Lemon · Orange · Banana · Avocado · Pineapple · Cherimoya · Tamarind · Heartsease · Sweet violet · Garland chrysanthemum · Sweet alyssum · Snapdragon · Sweet pea · Cornflower

Chamomile · Ginger · Purple coneflower · Elderberry · Garlic · Aloe · Calendula · Milk thistle

The Herbarium — a teaching catalog, not a clinic. Traditional use is history, not a prescription. USDA 6b dates are a week either way, not a promise. Do not eat, drink, or harvest a plant you cannot name.