Crop reference

Plant guides

A useful plant guide explains not only what to do, but which conditions make the advice work. Compare crops by their real demands before giving them space.

Read requirements as a system

Plant labels often compress a growing season into a few phrases. Full sun, rich soil and regular water are useful signals, but they do not describe how needs change between germination, vegetative growth, flowering and harvest. Our plant references connect these stages so that temperature, light, root space, water and nutrition can be considered together.

Variety matters. Two cultivars of the same crop may differ in mature size, disease resistance, day-length response, cold tolerance and time to harvest. Use a guide to understand the species, then check the seed supplier or nursery description for the specific variety. Local extension services and experienced regional growers can help interpret broad advice for a particular climate.

Choose crops for the limiting factor

When space is limited, compare yield, harvest window and how often your household uses the crop. When light is limited, leafy vegetables and some herbs are usually more realistic than large fruiting plants. Where water is scarce, establishment needs, mature drought tolerance and the ability to mulch or irrigate should influence the choice.

A crop can be biologically possible without being a sensible fit. Long-season plants occupy valuable space; vigorous vines need support; perennial fruit may take years to establish. The right choice reflects the site and the grower's priorities, including taste, storage, cost, learning value and enjoyment.

Use observations to refine the guide

Record sowing and transplant dates, the variety, approximate conditions and the first meaningful harvest. Note pest or disease symptoms with photographs before taking action. Over several cycles, this creates a local reference that can improve spacing, timing and variety choice more reliably than memory alone.

Vegetable reference library

Fruiting crop

Growing tomatoes

Plan light, root space, watering, feeding and training, then diagnose common fruit and foliage problems from observable symptoms.

Open the tomato reference

Tuber crop

Growing potatoes

Compare early and maincrop potatoes, then plan planting, earthing up, water, harvest and dark storage.

Open the potato reference

Root crop

Growing carrots

Prepare the root zone, sow and thin accurately, protect against carrot fly and prevent misshapen or split roots.

Open the carrot reference

Climbing crop

Growing cucumbers

Choose greenhouse or outdoor varieties, provide warmth and support, and manage moisture, flowers and harvest.

Open the cucumber reference

Fruiting crop

Growing sweet peppers

Raise plants with enough heat and light, maintain steady roots and take fruit from green through full colour.

Open the pepper reference

Bulb crop

Growing onions

Match day length, sets or seed to the site, then manage shallow roots before curing sound bulbs for storage.

Open the onion reference

Bulb crop

Growing garlic

Choose hardneck or softneck stock, time cold exposure, manage scapes and judge harvest by leaf condition.

Open the garlic reference

Leaf crop

Growing lettuce

Use succession sowing, seasonal cultivars and steady moisture to produce clean leaves before plants bolt.

Open the lettuce reference

Pod crop

Growing green beans

Compare bush and climbing beans, wait for warm soil, support vines and pick tender pods repeatedly.

Open the green bean reference

Pod crop

Growing peas

Choose shelling, snow or sugar snap peas, then coordinate cool-season sowing, support and prompt harvest.

Open the pea reference

Summer squash

Growing zucchini and courgettes

Give each plant warm soil, generous space and reliable water, then manage pollination and frequent harvest.

Open the zucchini reference

Turn crop requirements into a plan

Compare the limiting requirements across the crops you want to grow. The planning section explains how to turn individual references into one workable calendar.