CorseMachin
- What can go wrong with lupins?
- Why are my lupines dying?
- How can we protect lupins?
- Why are my lupines turning brown?
- Do lupines spread?
- Do lupins die off in autumn?
- Should you cut back lupines?
- What to do with lupines after flowering?
- How long do lupins last?
- What keeps eating my lupins?
- What could be eating my lupins?
- Do you deadhead lupines?
What can go wrong with lupins?
Lupin anthracnose is a fungal disease of the leaves and stems. It is spread from plant to plant by rain-splashed spores, and is therefore particularly damaging in wet weather. Affected plants are not usually killed, but can become very unsightly as a result of severe leaf-spotting and dieback.
Why are my lupines dying?
Sclerotinia stem rot – White, cotton-like fungus grows around the stem, and parts of the plant above it wither and die. The fungus lives in the soil and mostly affects plants in wet regions. Don't plant lupines in the same spot again for several years after this Sclerotinia stem rot occurs.
How can we protect lupins?
You could try putting crushed egg shell around the base of the lupins, or coffee grounds, or a mulch of chippings, some people say the copper plant bands work as repellants as well. It just depends whether you want them to live in your garden or not Articuno.
Why are my lupines turning brown?
Lupines are subject to powdery mildew and downy mildew. ... If you see a white powdery substance on leaves, it is likely powdery mildew; downy mildew causes yellow spotting on leaves, turning quickly to brown. Poor soil drainage plays a role in creating mildew issues since high humidity is an aggravating factor.
Do lupines spread?
Lupines are deep rooted and do not spread except through re-seeding. Seeds will not come true to the original variety planted, but will eventually revert to blue-violet and white.
Do lupins die off in autumn?
Caring for lupins
Deadhead lupins once flowers have faded and you should be rewarded with a second flush of flowers. In autumn, cut lupins right back to the ground after collecting seed. Lupins are not long-lived plants – expect to replace plants after about six years.
Should you cut back lupines?
Pruning lupines – which are also spelled "lupins" – will prolong their blooming and improve their appearance, but cutting back lupines or removing too much growth can harm or even kill the plants, so it's vital to take no more growth than is necessary to remove the spent flowers.
What to do with lupines after flowering?
When most of the flowers on a spike have faded and before they've dried and set seed, deadhead by cutting the spike off with a sharp knife or garden shears. Make the cut on the stem just behind the spike, at a point where you see small growth buds.
How long do lupins last?
Lupins are tap-rooted members of the pea family and therefore difficult to divide into many pieces. They are not long lived, they may last for seven or eight years. They make up for this by setting a lot of seeds.
What keeps eating my lupins?
The first year I tried to grow lupins, I carefully raised a few from seed, and planted them in the garden. Very quickly – literally within a couple of days, they were eaten, and sure enough I found the culprits – slugs and snails among the remains of the leaves.
What could be eating my lupins?
Lupin aphid is a sap-sucking insect in the same group of insects as greenfly and blackfly. It feeds on lupins (Lupinus).
Do you deadhead lupines?
Lupines respond well to deadheading. Yes, you can cut the spent blooms and you may even get a second round of blooms if you do.
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