I was in a hurry last night when I responded. The plant in the first pix looked like 'Choc Soldier' to me then. That's why Jeff is referring to his decoder ring not seeing it. Ha ha! I was wrong. Now, seeing last pic, it looks like K. tomentosa, as he said earlier. Sorry for confusion!

Chickweed, Stellaria media, a cool weather annual weed. Very easily pulled up but do it before it goes to seed!! Also edible if you care to get rid of it that way :-)

@strawchicago z5 Thank you for your feed back. It could be too acidic; however, her photo at the top shows many deficiences: lighter green to almost yellow leaves, curling upward, light green w/ dark green veins in leaves. The ARS states many reasons for leaf curl.& leaf color issues. However, it is wonderful that you solved your leaf curl w/ better drainage! Fixibg the acidic issue. The acidic issue can cause nutrient deficiences. Solve the PH & many nutrient oroblems may be solved. @LauraLG Z5b-NwPA, I am glad to hear your soil test was where it should be. Hope it is 6-6.5 PH? Keep in mind each rose may need individual care-some more hardy than others, not perform under same conditions as another, may have soil erosion & not same nutrients in soil as another rose, may just have diffetent soil in its specific spot. DA roses esp. bare root roses I find are more delicate than some other roses. Own root roses just grow more healthily in winter weather in PA Duke of Edinburg is a hybrid Perpetual & Rouge Royal is a Meilland-tgey may be more hardy roses. My DA roses all are less hardy in our NY cold winters & I give them balanced nutrients & the best soil to help them. Rose Tone has a few more ingredients than Jobes-if used regularly roses love it. And I supplement with liquid fish fertilizers. I start mid-April w/ Heirloom Roses Boast & Bloom balanced fertilizer. June-Rose Tone. Mid-July- Rose Tone. (,These balanced fertilzers every 6 weeks). And fish emulsion supplemented once a month or bi-weekly all summer. . There are many regimens you may choose from , but its essential to have fertilizer balaned throughout the season to keep roses healthy. They are heavey feeders to grow & bloom well. I have a few questions? 1. Is PH between 6-6.5 (ARS recommends) for the soil of that rose in that specific spot of the garden bed? Is so, great! 2. Spring in PA starts April/May. Did you apply first fertilzer Jobes at least by 1st week in May or April? It was your balanced fertilizer feeding feeding. 3. After 1st feeding when did you feed roses Morbloom, seaweed or fish emulsion? How often did you apply these fish fertilizers? Can you show me a calendar of what you used when? Morbloom has NPK 0-10-10, NO NITROGEN. it has phosphorous for promoting root growth, blooms. It has Potassium for over all good health/disease resistance. .If you soley use Morbloom for awhile your olants receive no nitrogen & experience chlorosis-leaves turn light green-yellow., (Your leaves are light green.) N-P-K Nitrogen,-Phosphorous-Potassium 0-10-10. Mornloom Fertilizer. 0-no nitrogen. Liquid Fish & seaweed fertilizers are usualky used to supplement a ”regular balanced fertilizer . Alaska Fish Fertilizer has NPK 10-1-1-high in Nitrogen. These fertilizers have trace nutrients, too. Nitrogen is needed to give your roses green healthy well formed stems & leaves. Without nitrogen (Morbloom) leaves can turn light green, yellow. If your GC rose is not getting enough balanced fertilizers that is why it has light green leaves and deformed leaf curl. And….Iron deficiency shows in dark green veins on leaves & light leaves. No blooms is lack of phosphorous. I see these issues with your leaves & you said it is not blooming. Did it ever bloom this season? When did it last bloom? If soil has mushroom compost-that is a good start. Dig into the soil near the roses is olanted and see if it has lots of worms, does it drain well, dies the soil have anything else in it? To make soil nutrient rich so it is “living soil,” needs more than ”clay & mushroom conpost.” May choose to add a few other soil amendments… peat moss, bone meal, alfalfa, (cow manure or chicken manure-careful it is not near roots-can burn,) worm castings, micorrhizae. Heirloom Roses sells ”Living soil,” already formulated. Paul Zimmerman shows in a you tube video how to amend soil to make it living soil & drain well. Heirloom Roses posts on the website articles on options to amend soil. Having leaf curl, light green leaves, dark green veins but light leaves, , less blooms can be effected by lack of drainage in soil and it can cause loosing nutrients in the soil causing nutrient deficiencies.in your roses. Lack of proper drainage from acid rain or any rain in clay soil can make it hard for roses to absorb nutrients and show in unhealthy leaves & blooms. Check and possibly amend your soil and maybe perk up your fertilizer program a little? Your rose definitely needs a change. Does this help you?

Thanks for the quick response. I just Google searched it, and it seems to the case. I really wanted to know if they're harmful to both humans and plants, and it seems it's safe to let them grow since they're pretty difficult to get rid of. I'm growing mustard plants as a cover crop for the next growing season. I've never seen this before. One site advised leaving them to grow and decay as this would add nutrients to the other plants I grow.