Rudbeckia subtomentosa 'Henry Eilers'
- Position: full sun or partial shade
- Soil: moderately fertile, preferably heavy but well-drained soil
- Rate of growth: average
- Flowering period: August to October
- Flower colour: orange-yellow
- Other features: toothed, mid-green leaves; excellent, long lasting cut-flowers
- Hardiness: fully hardy
Found colonising a railway embankment in the USA by a retired horticulturalist, this beautiful coneflower has finely quilled ray florets (petals), which surround a rounded, orange-brown cone. Perfect for adding late colour to mixed or herbaceous borders, they also make fine companions to ornamental grasses.
- Garden care: Lift and divide congested colonies in autumn or spring. Support with ring stakes or brushwood well before the flowers appear.
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I've a Rudbeckia Henry Eileen's plant purchased 2 yrs ago, not really flowered much last year and not at all this year. It's in its original pot about 20cm diameter, has about 12 leggy stems with leaves turning black.
Regards, ChrisAsked on 25/10/2016 by None from Blackpool near coasr
It will be dying back for autumn now so the leaves dying is quite normal, but it really needs to be planted out into the garden or into a much larger pot with fresh compost.
If it is in the original pot it will have used up any nutrients long ago so as soon as possible, as long as the ground isn't frozen or freezing outside, I would plant it out into the garden. When you take it out of the original pot you will need to gently tease out the roots and then plant with some well rotted organic matter. I have attached a link below on planting perennials that might help.
http://www.crocus.co.uk/features/_/how-to-garden/planting-successfully/planting-perennials/articleid.1165/Answered on 26/10/2016 by Anonymous from crocus
Q:when does the coneflower flower?Asked on 8/5/2015 by sneddee from dundee
These start flowering in late summer and often continue well into autumn.Answered on 15/5/2015 by Helen from crocus
Q:Hi I am trying to find plants that will tolerate heavy clay. In winter there is a very high water table and a lot of moisture but in the summer it gets bone dry. Any ideas? Regards, MalcolmAsked on 14/7/2014 by Malc from East sussex
There are plants that will tolerate a clay soil, but very few plants will like to sit in waterlogged soil. I first would try to improve your soil as much as possible by digging in plenty of well rotted organic matter, and some grit to increase the drainage.
Probably the best place to start, is with our plant search facility - which is at the top of each page where you can select shrubs, perennials, climbers etc by clicking on the images or text. This will take you to a more in depth search facility where you can select the type of soil, the aspect , how much sun etc. This will show you the full range of plants that fit this criteria.Answered on 16/7/2014 by Anonymous from crocus
I'm a novice. Can I plant these in a container?
If so what space between each and what size of container?
ThanksAsked on 24/4/2014 by Anonymous from Belfast
Ideally these should be planted in the ground, but if you do decide to try them in a pot, then I would recommend planting three in a 60cm diameter pot. I would also opt for a pot that has a nice wide base as the plants can get quite tall.Answered on 25/4/2014 by helen from crocus
Q:Do rudbeckias respond well to Chelsea chop?Asked on 23/10/2013 by paintmegreen from London
A:I do Chelsea chop Heleniums in my East Midlands garden; I usually cut back by about a third as this reduces the height and makes them easier to manage. It delays the flowering slightly compared with the ones not cut back but produces a good display on neater plants well into the Autumn if dead-headed occasionally. As i have large clumps of these plants I cut some back and leave others for a longer display.Answered on 15/9/2015 by Paula from Nottinghamshire
The Chelsea chop is normally carried out towards the end of May, to limit the size, and control the flowering season of many herbaceous plants. I haven't heard of Rudbeckias being given the Chelsea chop, -I wouldnt think there would be much of the plant to chop at that time of year being a late flowerer.
RegardsAnswered on 25/10/2013 by Anonymous from Crocus
In the third week of this month you can 'Chelsea chop' your summer-flowering perennials to delay their flowering times. Sedums can be cut back by two thirds to provide lusher foliage, but at the expense of flower.Read full article
If you enjoy quilled petals, Rudbeckia subtomentosa 'Henry Eilers' is a very durable, easy to grow upright plant with small flowers consisting of almost tubular petals set round a small chestnut-brown middle. It was found growing in the wild, among oRead full article