Garden calendar

The data shown here are for a temperate climate in the northern hemisphere.

Meaning of colors & symbols in the table

Meaning of colors and symbols

Color	Meaning		Symbol	Meaning
	Sowing		Pre	Pre-sowing in pots
	Planting		Gre	Greenhouse
	Harvesting		GrM	Green manure plant
	Special treatments		I, II etc.	Months

Table

Plant name	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII	Comments
Asparagus													Harvest in spring in the third and following years
Barley													Summer barley in II-IV; winter barley in IX-XI. 1 kg / 100 m2
Basil			Pre	Pre									Pre-sowing in IV & V; this plant is a perennial but doesn't survive frost
Black salsify													Use fresh seeds only. Companion plants: Onions & Legumes.
Chard													Keep the soil moist
Chives													Perennial; likes half-shade
Dahlia													Dig out the roots before it begins to freeze. Replant them at the beginning of the summer when there's no danger of frost anymore.
Eggplant	Pre												Seeds need temperature of min. 68F (20C) to germinate. Needs longer time before it forms fruits, therefore pre-sowing in January.
Endive			Pre	Pre									Companion plant of legumes. Pre-sowing or sowing under glass in III & IV for summer cultivation. Sowing outside in VI for harvest in the autumn, not earlier because endive doesn't like temperatures below 50F (10C) in its first month of growth.
Plant name	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII	Comments
Gladiolus													The tubers need to be harvested in X and kept free from frost; re-plant them in IV-V.
Lettuce		Pre	Pre	Pre	Pre	Pre	Pre	Pre	Pre	Pre			I always pre-sow all my lettuce in pots, but you can also sow directly in the ground. There exist many species that differ from country to country. Some species are better for summer cultivation, others more fit for sowing in autumn and early spring.
Pea										Gre	Gre		Sow 1/2 III - 1/2 IV for harvest in the summer. You can also (pre-)sow them already in II. I sow peas in my greenhouse in X and XI for harvest in spring next year.
Potato													Planting early cultivars in the first half of IV, late cultivars in the second half of IV
Thyme			Pre	Pre	Pre	Pre
Tomato		Pre	Pre	Pre									Pre-sow end II to 1/2 IV
Plant name	I			IV			VII			X			Comments

How to use the table

• Read the columns per month. Each colored cell means that there's a possible task for this plant in this month. You can make your 'to-do' list for that month.
• Read the rows to find out details about one particular plant.

Gallery

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  An example of how i made my garden calendar in my own computer. Here are shown only some plants.

See also

• Gardening courses
• List of all plants in the knowledge base