The Herbarium
Grow lab · East Tennessee hill country
USDA 6b
Apr
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.
Protect
Last frost is mid-month — believe a cold night
Cloth on tomato starts. Leave the zinnias indoors.
Tomato · Sweet basil · Zinnia
Set out
Set brassicas, onion, and pea if you started them
A block of cabbage with an onion ring and a nasturtium trap.
Cabbage · Kale · Broccoli · Onion · Nasturtium
Sow
Beet, chard, another row of carrot and spinach
Succession is a second packet, not a wish.
Beet · Carrot · Spinach
Sow
Start marigold, zinnia, basil, tomato if you have not
Four weeks to the safe May set-out.
French marigold · Zinnia · Sweet basil · Tomato
Also in leaf or flower
Chamomile · Peppermint · Ginger · Turmeric · Purple coneflower · Lavender · Valerian · Lemon balm · Elderberry · Garlic · Aloe · Calendula · Milk thistle · Ashwagandha · Holy basil · Nettle · Dandelion · Feverfew · White willow · Licorice · Kava · Goldenseal · Comfrey · Reishi · Lion's mane · Turkey tail · Cordyceps · Shiitake · Rosemary · Garden sage · Fennel · Marshmallow · Plantain · Snow fungus · Oyster mushroom · Hops · Burdock · Wood ear · English yew · Lily of the valley · Spearmint · Gotu kola · Astragalus · Oregon grape · Chickweed · Cinnamon · King oyster · Almond mushroom · Morel · Parsley · Cilantro · Bay laurel · Dill · Chives · French tarragon · Green cardamom · Asian ginseng · Borage · Clove · Oatstraw · Button mushroom · Black pepper · Nutmeg · Horseradish · Brown mustard · Star anise · Slippery elm · Eleuthero · Schisandra · Vanilla · Olive · Cacao · Coffee · Tea · Flax · Nigella · Allspice · Curry leaf · Lovage · Sorrel · Watercress · Caraway · Eucalyptus · Tea tree · Neem · Nameko · Pioppino · Birch · Potato · Onion · Carrot · Beet · Cabbage · Kale · Broccoli · Spinach · Pea · Asparagus · Banana · Avocado · Pineapple · Tamarind · Heartsease · Sweet violet · Garland chrysanthemum · Sweet alyssum · Garden peony · Snapdragon · Sweet pea · Cornflower
Chamomile · Peppermint · Ginger · Turmeric · Purple coneflower · Lavender · Valerian · Lemon balm
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.