Herb Rocket Seeds - Thompson & Morgan - 500 Seeds
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Thompson & Morgan Rocket Herb Seeds are an excellent choice for home gardeners looking to add a peppery, fresh flavor to their salads and sandwiches. These hardy annuals are perfect for beginners and experienced growers alike, thriving in both sun and semi-shade conditions. While they are simple to cultivate throughout the spring and summer months, gardeners must remain diligent about pinching back flower buds to ensure a consistent, long-term harvest.
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| Brand | Thompson & Morgan |
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FAQs
When is the best time to sow these seeds?
You should sow these seeds from mid-spring (April) to late summer (July).
Can these be grown in containers?
Yes, their compact 15cm height makes them very suitable for container gardening as long as the pot has good drainage.
How deep should I sow the seeds?
Sow the seeds thinly at a depth of approximately 6mm.
What should I do if a frost is forecast?
Rocket is sensitive to frost, so you should use a cloche or fleece to protect the plants if cold weather is expected.
How do I ensure a continuous supply of leaves?
Sow seeds in succession every few weeks and be sure to pinch out any flower buds that emerge.
Troubleshooting
Plants are flowering too early
Ensure you are pinching out flower buds as soon as they appear and keep the soil consistently moist to reduce plant stress.
Seedlings are crowding each other
Thin out the seedlings as soon as they are large enough to handle to reach the recommended 23-30cm spacing.
Poor growth or stunted leaves
Check that the soil is fertile and well-drained, and ensure the plants are not being crowded by weeds.
Pros and Cons
Pros
- Easy to grow for beginners
- Versatile culinary applications
- Generous 500-seed count per packet
- Tolerates partial shade well
Cons
- Requires regular maintenance to prevent early bolting
- Sensitive to frost damage
- Growth is seasonal rather than perennial
Setup, Compatibility & Care
To begin your crop, sow seeds from April through July in well-drained, fertile soil. Create drills approximately 6mm deep, keeping the rows spaced 45-60cm apart to allow for proper airflow. Once the seedlings are large enough to handle, thin them out to a spacing of 23-30cm. Ensure the soil remains moist but not waterlogged. While these plants are hardy, they should be protected from late spring or early autumn frosts to prevent damage to the foliage.