Jun 11, 2026 / By Anas Heaba / in Growing Guides
Stock, known in Arabic as منثور and scientifically as Matthiola incana, is a member of the cabbage family (Brassicaceae) and one of the most rewarding cool-season ornamentals you can grow. It is famous above all for its powerful, sweet fragrance, with dense spikes of flowers in shades of white, pink, purple, and crimson. Native to the Mediterranean basin, from Spain through to Egypt and Turkey, it is perfectly at home in our climate during the cool months. It makes a wonderful cut flower as well as a fragrant filler for borders and pots.
The key thing to understand is that Stock is a true cool-season crop. It flowers most generously when night temperatures stay below about 15°C, and it slows down and stops blooming once temperatures climb above roughly 27°C. It tolerates a light frost, which makes Egypt's mild winter an ideal growing window.
Because Stock thrives in cool weather and refuses to flower in heat, our hot summer is unsuitable and the mild winter (November to February) is the sweet spot. The practical rule is to sow in autumn for winter-to-spring bloom.
In the Delta and Lower Egypt, sow seeds in September to October, starting them in trays or plugs and transplanting about 5 to 8 weeks later. This gives abundant flowering from December through March, well before the spring heat arrives. An early-autumn start lets the plants bulk up while temperatures are still falling. In hotter Upper Egypt, shift sowing slightly later, to October or November, so the bloom window lands in the coolest weeks and the crop finishes before the stronger, earlier spring heat. Avoid late-winter sowings, which push flowering into the April-May heat and disappoint.
Start seed indoors or in a protected spot about 5 to 10 weeks before you intend to transplant. Sow the seed very shallow, around 0.6 cm deep. Stock needs light to germinate well, so cover only thinly, sieved compost or, better still, vermiculite that lets light through works perfectly. Keep the medium evenly moist and at a soil temperature of about 18 to 24°C; seed germinates in 7 to 14 days.
Once seedlings have two true leaves, prick them out into individual pots, then plant them outside. Spacing depends on your goal: for cut flowers, set plants roughly 10 to 15 cm apart and support the stems with netting so they grow straight. For garden and border displays, thin or space plants to about 25 cm apart, which gives good airflow. Grow in full sun (6 or more hours of direct sun a day); light partial shade is tolerated and can help where heat is intense. For bushier plants with more flower spikes, pinch out the growing tip of branching types.
Test your soil before adding anything. Stock prefers neutral-to-alkaline soil (pH around 6.0 to 8.0) and does poorly in acidic ground. Avoid excess nitrogen, which produces weak, floppy stems. Keep an eye out for potassium deficiency, which shows up as brown leaf tips and margins around flowering time; supply adequate potassium through the growing and flowering phase to keep foliage healthy and stems strong.
Keep the soil consistently moist but well-drained, and never let it become waterlogged. Always water at the base of the plant rather than over the foliage, this keeps the leaves dry and greatly reduces disease. Good spacing and airflow matter, because Egypt's mild, damp winters can encourage powdery and downy mildew and white mold. Watch for pests too: aphids, thrips, flea beetles, and the diamondback moth. Flea beetles are worst right at transplanting, so a row cover over young plants helps protect them.
Stock blooms in cool weather, typically through winter and spring in Egypt, and flowering shrinks as the heat rises. For cut flowers, harvest each stem when one-third to one-half of the florets on the spike have opened. Remember that stems do not regrow after cutting, so each plant gives a single harvest, plan your spacing and numbers accordingly to keep a steady supply through the season.
Quality seed is the foundation of a good crop. At tna W rna you can find بذور منثور ready for an autumn sowing, as well as بذور زهرة المنثور (Stocks Seeds) Matthiola incana if you want the named scientific variety. For a slightly larger sowing for cut-flower beds, take a look at بذور منثور 7جم. Choose your packet, sow in early autumn, and enjoy fragrant spikes right through the Egyptian winter.
Jun 11, 2026 by Anas Heaba