How to Grow Purslanes | Complete Growing Guide

At a Glance

Quick Facts

Factor	Value
Sunlight	6-6 hours direct sun
Soil texture	Clay, loam, sand, shallow rocky soils
Drainage	Well-drained; tolerates occasionally dry soil
Lifecycle	annual
Edible parts	leaves, stems

Growth Stages

Stage	BBCH	Notes
Sowing and germination	0	Direct-sow fresh seed about 0.5cm deep in full sun, well after the last frost once soil is reliably warm; germinates in 7-10 days (Johnny's Selected Seeds).
Thinning and establishment	1	Thin seedlings to 10-15cm apart; water regularly until well established, in lean, well-drained soil (Johnny's Selected Seeds).
Succulent leafy growth	3	Becomes notably drought-tolerant once established, needing only deep, infrequent watering; loves baking full sun and lean soil (Johnny's Selected Seeds).
Continuous harvest	8	Harvest young, tender stems and leaves continuously from about 4-6 weeks after germination, through to 40-60 days maturity; monthly successional sowing keeps up supply (Johnny's Selected Seeds).

Harvest & Storage

When to pick: Rapid growth rate; fleshy oval leaves clustered at joints and stem ends harvested for culinary use once established (NC State)

Storage

Best used fresh; succulent leaves do not store long-term

Diseases

Stem/root rot (purslane, causal agent not yet confirmed)

Pests

Aphids

Aphididae (various spp.)

Slugs

Gastropoda (slugs, various spp.)

Snails

Gastropoda (snails, various spp.)

Fungus gnats

Sciaridae

Purslane, a Succulent Salad Green for Hot, Lean Soil

Direct-sown in warm soil

Johnny's Selected Seeds: direct-sow after the last frost once soil is reliably warm, germinating in 7-10 days.

Red-tinged young growth

Young purslane stems often show a distinctive reddish tinge as they establish.

Fleshy, succulent leaves

RHS: a slightly succulent annual with fleshy leaves, well adapted to hot, dry conditions.

Loves baking sun and lean soil

Johnny's Selected Seeds: purslane loves baking full sun and lean soil, becoming notably drought-tolerant once established.

Harvest continuously

Johnny's Selected Seeds: harvest young, tender stems and leaves continuously from about 4-6 weeks after germination.

References

1. GBIF - GBIF Backbone Taxonomy: Portulaca oleracea

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2. NC State Extension - Portulaca oleracea (Common Purslane) | NC State Extension Gardener Plant Toolbox

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3. Royal Horticultural Society - Portulaca oleracea purslane | RHS

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4. Royal Horticultural Society (RHS Advice Team) - Aphids: Identification and Control

   Directly fetched and verified. RHS explicitly does not recommend pesticide use against aphids; recommends tolerance, manual squashing, and encouraging/purchasing natural predators (ladybirds, hoverflies, lacewings, parasitoid wasps, earwigs) as biological control, especially under glass.

5. Royal Horticultural Society (RHS Advice Team) - Slugs and Snails

   Directly fetched and verified (canonical URL differs from requested URL /biodiversity/slugs -> redirects to /biodiversity/slugs-and-snails). RHS explicitly advises against slug pellets (even organic) due to wildlife harm, and cites RHS's own controlled trial finding no damage reduction from physical barriers (copper tape, bark mulch, eggshell, grit, wool) -- while also noting some other studies have shown copper barriers to repel slugs, a preserved disagreement rather than a silently resolved one. Details Nemaslug (Phasmarhabditis hermaphrodita) biological control including application temperature range and its lack of effect on snails specifically.

5 independent sources are cited for this crop. Where they disagree - soil pH is the clearest case - every figure is preserved rather than averaged into false precision.