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Open Source Apothecary At Home / Growing it
Garlic wants winter. Ginger and turmeric want the opposite — warmth, a long season, and to be lifted before the cold.
growingRoot, rhizome and bulb crops are the ones where growing your own changes the product most, because the culinary and medicinal parts are the same organ and freshness is visible.
Garlic is the easiest real medicine in this handbook to grow. Plant cloves in autumn, harvest in summer, and you have produced something with randomised trial evidence for blood pressure. It is also the plant where the growing method most obviously determines quality: hardneck varieties planted in autumn produce the scapes and the bulb, softnecks store longer, and the allicin content that gives garlic its activity is generated when the cell is broken — which is why how you handle it after harvest matters as much as how you grew it.
The allicin detail is the important one. Allicin is not present in an intact clove; it forms when alliin meets alliinase on crushing or chopping. Letting chopped garlic stand before use allows the conversion. This is chemistry, not folklore, and it is the reason a garlic preparation made carelessly is less active than the same cloves handled well.
Ginger and turmeric are the opposite of garlic agronomically. Both are tropical rhizomes. In zone 6a neither survives winter outdoors, so both are grown as annuals: start indoors in warmth, plant out only when the soil is genuinely warm, and lift the rhizome before the first frost. Turmeric in particular needs a long season, so it is usually grown in a container or under cover to get the heat units. Curcumin content is the quality marker in turmeric and varies with cultivation.
The root crops in between. Valerian and milk thistle are covered with the perennials; horseradish and comfrey are the other two worth a mention, both trivially easy and both invasive.
The one handling rule that applies to all of them. Roots and rhizomes are dense and damp, and they mould from the inside if dried whole. Slice or split them before drying, dry at 45-55 C rather than ambient, and dry until they snap.
This meta-analysis demonstrates that garlic intake significantly improves key cardiovascular risk markers, including lipid profiles, glycemic indices, blood pressure, oxidative stress, and inflammatory biomarkers, particularly in adults with unfavorable baseline risk factors.PubMed 40580481 ↗
Our findings indicate that ginger capsules, when used alongside antiemetic drugs, enhance the management of severe CINV, particularly in highly emetogenic chemotherapy regimens.PubMed 38625733 ↗
The results of this study suggest that AGE supplements may be beneficial for improving blood pressure in hypertensive patients, but significant effects are observed only at doses over 1200 mg/day.PubMed 39437887 ↗
The aim of this meta-analysis was to determine the effect of curcumin on a range of health outcomes.PubMed 39478418 ↗
Curcumin, either alone or in combination with other treatments, is considered to have good clinical efficacy and safety in KOA treatment.PubMed 38036015 ↗
While the potential benefits were observed, it is recommended that future trials focus on finding a suitable dose and duration of intervention and incorporate formulation in curcumin to enhance its absorption.PubMed 39683570 ↗
Garlic (Allium sativum)
| | Details | |---|---| | Planting | Autumn, individual cloves, pointed end up, 5 cm deep | | Spacing | 15 cm in rows 30 cm apart | | Light | Full sun | | Soil | Free-draining, moderate fertility; never waterlogged | | Harvest | Summer, when the lower leaves brown and the tops fall over | | Life | Annual (planted in autumn) | | First harvest | The following summer |
Handling that preserves activity
Ginger (Zingiber officinale)
Turmeric (Curcuma longa)
Other easy roots
Drying and storing roots and rhizomes
What not to do